Annular gear
[机] 内齿轮
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
because she's had to go to Chicago on a business trip and can't leave till tonight.
因为她得到芝加哥出差，而且要到今晚才能脱身。
Life is a shuttle.
生活犹如梭子。
Sure. What are you going to do, Mary?
当然了。你打算做什么，玛丽？