Planetary transmission
[化] 行星齿轮变速箱
🧩 词语组成解析
planetary
[['plænitəri]]
a. 行星的, 流浪的, 迁移不定的, 地球上的, 现世的
🗣️ 情景例句
What do you often do in your spare time?
你在业余时间都干些啥？
I told him to stay for lunch.
我告诉他留下来吃午餐。
I'm very sorry, comrade, said the man. I won't do it again.
“很对不起，同志，”楼上人说，“我不会再这么做了。”