英语词汇pearl sac简单造句、意思、用法及例句-英语例句辞典

单词	pearl sac
例句	原声例句科学60秒-科学美国人 2022年8月合集 Pearls form when mollusks such as oysters create so-called pearl sacs around intrusive pieces of grit. 像牡蛎等无脊椎动物在侵入体内的沙粒周围形成珍珠囊，继而产生珍珠。
随便看	critical of critical operation critical organ critical part critical parts critical path critical paths critical patient critical patients critical period Critical Periods critical perspective critical phase critical phenomena critical phenomenon critical piece critical point critical points critical position critical pressure critical product critical questions critical race critical radius critical rate

英语例句辞典收录519880条英汉例句词条，基本涵盖了全部常用单词的造句方法及例句，是英语学习的有利工具。