Enveloping worm
[化] 环面蜗杆; 球面蜗杆
🧩 词语组成解析
v. 包围, 笼罩, 包住( envelop的现在分词 )
worm
[wɝm]
n. 虫，蠕虫;（昆虫的）幼虫;寄生虫;懦夫;
vt.& vi. 蠕动，曲折行进;给（动物）驱肠虫;使缓慢前进;
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
He'll always be indebted to you for what you've done.
他将总是为你做了的对你感恩。
No, thank you. Tom.I've already had lunch.
不，汤姆，谢谢。我已经吃过饭了。