| 单词 | 帽状 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔acrosome〕A caplike structure at the anterior end of a spermatozoon that produces enzymes aiding in egg penetration.精子头粒蛋白：一种在精子内前端的帽状结构，可产生帮助穿透卵子的酶美国传统〔calyptra〕A similar hoodlike, lidlike, or caplike structure, such as a root cap.帽状结构：一种盖状、帽状的结构，如根帽美国传统〔post〕An earring attached by a short bar or stud that passes through the ear and fits into a cap in the back.穿洞耳环：通过短棍或饰钉穿过耳垂，在耳垂后部由帽状物进行固定的耳环美国传统 |
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