Planet gear
[化] 行星齿轮
🧩 词语组成解析
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
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
Don't you care about this country's future?
难道你不会国家首任担忧吗？
It's very thoughtful of you.
你想得真周到。