| 释义 |
perforation
[英] [ˌpɜ:fəˈreɪʃn]
[美] [ˌpɚfəˈreʃn]
[名] 孔；穿孔
词频排名 33976/55435
学习人数 35
难度等级 7/10
认知比例 15.38%
例句
Tear off the form along the perforations and send it to Sales.
沿着纸孔撕下表格，寄给销售部。
the acute perforation
急性穿孔
When held to the light the small oblong leaves are seen to possess tiny perforations.
迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。
助记
联想
Perforate .v 穿孔，打孔。
per(穿过，穿透)+ for(开口)
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