perforation

.pә:fә'reiʃәn

英文释义

n. a line of small holes for tearing at a particular place
n. a hole made in something
n. the act of punching a hole (especially a row of holes as for ease of separation)

中文翻译

n. 穿孔, 孔眼, 贯穿, 贯通
[化] 穿透

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记忆技巧

perforation 可以拆分为词根 for（洞、孔）和前缀 per-（完全、贯穿），表示“完全打孔”。

例句

1. The doctor found a perforation in the patient's intestine.
医生发现病人的肠道有穿孔。
2. The paper has a perforation along the edge for easy tearing.
这张纸边缘有 perforation，方便撕开。
3. A small perforation in the wall allowed the sound to travel through.
墙上的一个小孔使声音能够传递过去。

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