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
Did you have dinner, Robbie?
你吃晚餐了吗， Robbie？
How much does that typewriter weigh?
那台打字机重多少？
I walked across the park.
我穿过了公园。