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历史:
CET-4 CET-6 TOEFL BNC: 6490 COCA: 8553
thickness
thick·ness / 5WIknIs ; 5WIknEs /noun
1. C,Uhow thick something is厚度:
The thickness of the walls is 5 feet.墙的厚度为 5 英尺。
2. Ca layer of something〔某东西的〕层:
[+ of ]
Wrap the cake in a double thickness of foil.用两层箔纸把蛋糕包好。

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