非强制性 - Flask Mdict

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非强制性 12
extend 30
succeed 23
ribbon 14
associate 22
sum 40
heat 6
plus 2
centigrade 20
wholly 12
keeper 14
blossom 1
column 50
chapter 1
indecent 1
mechanical 4
temper 1
强调 9
yawn 1
嵌入 11
well-known 1
inexpensive 41
shepherd 41
southeast 27
intentional 47
短语 58
exhibit 16
outset 42
activity 46
argue 14
career 26
import 19
Oceania 6
constitution 20
单位 34
institution 22
prescribe 18
vibration 39
agriculture 61
statistic 35
exclusive 9
cherry 24
task 10
permanently 41
deadly 9
supply 18
disguise 52
instrument 22
brief 12
consumer 29
cord 6
quart 32
pain 59
deceive 11
nervous 57
probable 17
limb 13
emperor 26
rust 12
vehicle 48
thumb 45
comrade 15
segment 21
transplant 6
millimeter 27
radar 6
exit 32
preference 11
liter 49
词干 115
XHDCD2970 112
episode 15
mourn 15
elevator 6
口腔音 8
李白 119
depart 7
破折号 151
millimetre 21
lower 22
pebble 124
scrape 25
oral 15
justice 51
vine 3
spot 13
digest 45
snowy 20
诗歌 38
omit 16
radical 19
corresponding 7
情感 71
prosperity 6
northern 47
weigh 57
female 6
term 67
progress 76
赞同 72
depth 6
point 40
prisoner 32
tail 14
毫 134
appliance 81
待选项 6
petroleum 72
overcome 17
remove 60
借用2 28
likelihood 71
束 26
popular 19
ant 6
ore 8
objective 28
overcoat 63
following 32
mechanically 55
gang 46
tempt 25
冬 52
rare 31
operator 48
lover 27
elastic 48
personnel 34
同一性 57
blade 44
shopkeeper 7
ditch 19
classic 21
event 28
pea 18
repeatedly 28
rapidly 44
dirt 19
舌叶 53
mistress 42
unit 14
trail 41
further 50
signature 19
bulk 12
chop 62
福克斯语 21
contemporary 22
specialist 23
SJTJ1120 7
relief 50
发音2 9
音高 27
anxiety 8
luxury 37
heal 14
roof 18
trifle 22
motor 8
outward 10
姬 8
marriage 8
actual 28
profession 31
wax 12
airline 17
peculiar 12
toy 9
weave 13
pond 20
furthermore 7
island 42
notice 31
vanish 18
horn 6
sparkle 8
heroic 42
salad 33
plunge 18
impatient 34
search 15
facility 35
chess 45
via 25
sentence 50
weapon 42
mortal 59
van 24
regarding 25
brisk 9
otherwise 26
iron 19
God 16
unsatisfactory 9
legend 8
competitive 26
possibly 50
remarkable 27
condition 20
urge 5
prior 24
infinite 45
cement 5
mouse 13
promise 19
greedy 23
gradually 63
conclude 47
affect 42
bundle 18
resource 6
enforce 47
electronics 21
puppet 25
implication 7
observe 22
torch 18
优先选择 2
scratch 12
bristle 52
furnace 16
oblige 38
humid 57
rough 49
centimetre 43
choke 65
harden 11
produce 86
pipe 40
quiz 61
link 50
句子 108
holy 51
especially 68
article 70
penny 45
skill 22
bet 27
socialist 11
血红蛋白 20
contempt 27
contribute 15
refine 47
lens 19
cheat 8
graceful 31
scarcely 15
quit 25
moderate 29
slope 32
extremely 49
freeze 35
revolutionary 57
pretend 46
captain 69
surroundings 54
chain 67
beneath 65
sadly 71
fox 41
loan 48
hatch 34
outlook 28
aural 28
comment 26
orphan 24
lamp 26
thickness 20
mould 24
participate 23
desperate 50
postpone 26
impress 62
cave 57
fortunate 59
earthquake 23
jungle 45
unusually 47
surgery 57
pudding 44
aim 36
finance 46
endure 68
ampere 35
upon 43
adopt 33
remark 28
calm 60
resign 47
optical 28
curious 68
enlarge 26
vacuum 26
senior 42
sale 45
commission 71
gauge 33
top 57
engine 4
identity 41
happen 46
normally 41
transformation 64
magazine 11
birth 41
lecture 57
lemon 44
win 55
leader 39
impose 52
ink 21
dash 61
twinkle 46
lamb 37
shuttle 31
merry 64
flock 28
drought 14
fortune 32
establish 63
position 78
wool 44
consideration 37
练习 69
pale 59
punishment 67
unload 69
forth 54
label 52
distress 55
mechanic 63
crust 58
glorious 60
seal 17
好 15
socialism 60
stroke 62
refer 83
acquire 82
volunteer 62
feature 68
dormitory 67
retire 67
nineteen 65
rage 68
difference 60
independent 66
prosperous 75
carve 68
sore 58
goodness 65
framework 49
laser 61
操练 82
systematic 63
fluid 64
大西洋语族 49
punish 42
player 70
atmosphere 123
massive 55
automatic 57
pursue 71
deaf 72
disk 59
special 62
shell 50
acknowledge 56
bite 48
discourage 69
rotation 102
pack 64
material 63
mayor 61
fertilizer 56
拉丁语 122
clever 52
shelf 46
loosen 44
assume 44
appreciate 62
advice 34
gray 32
particle 33
authority 42
insure 32
porridge 31
移后同化 19
plural 48
refreshment 35
indoors 27
fountain 40
音节坡 20
minority 14
excitement 42
maths 49
thought 26
wavelength 27
复数 42
utilize 19
useless 26
scientific 26
inward 33
loose 22
bubble 36
consciousness 29
register 81
rush 69
wonderful 27
protect 23
owing 128
beloved 15
resemble 36
consumption 20
correspond 52
goal 56
hang 73
aspect 139
reluctant 52
lively 31
criticism 123
柏杨 97
tomato 23
interest 24
tutor 67
document 37
speech 27
paw 26
肏 43
intermediate 120
commitment 126
steamer 122
spy 111
export 36
tough 13
tremendous 36
trace 61
silly 55
技能 91
dissolve 60
erect 58
reliability 21
messenger 41
federal 25
soda 61
bathroom 62
deceit 73
microscope 58
transport 58
purely 64
attraction 56
bend 61
Atlantic 51
dispute 71
sunshine 64
吸引变化 42
delegation 64
refuse 89
observer 48
emphasize 42
glory 39
business 39
keen 52
architecture 37
publication 44
prime 58
stormy 18
calculator 29
gay 26
virtually 74
liquor 22
magic 27
exceed 24
monthly 27
述题 22
base 29
robot 22
sex 18
canteen 25
generation 40
treatment 47
disorder 33
ceiling 40
rusty 55
rebellion 60
tailor 39
individual 35
tradition 57
statistical 24
价值 46
promote 73
human 19
cargo 36
drift 21
poet 47
examination 30
shadow 18
peninsula 46
worldwide 54
union 32

非强制性　optional　　语法学术语。与强制性（obligatory）相对。指句子或某些结构的某些成分是非强制性的，可以去除。例如：［1］I was reading a book.　［2］I was reading.　［3］I threw away the bottle.　［4］I threw the bottle away.　例［1］中宾语“a book”可以省略而不影响句子完整，例［2］中的语法知识规则是有选择性的，例［3］中的“away”可以放到宾语后面而不影响句子意义，如例［4］。