Epicyclic gear
[化] 行星齿轮
🧩 词语组成解析
a. [数]周转圆的,[天] 本轮的
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
I love her very much. She's been a joy.
我很爱她。她是个讨人喜欢的孩子。
It's fine once you get used to it.
习惯就好！
I find listening really hard. Sometimes it's just impossible to understand.
我觉得听力很难。有时简直听不懂。