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
But we found nearly half on them were mouldy. We can't accept them anyway.
但是我们发现差不多一半发了霉。无论如何我们不能接受。
What is the economy like in this country?
这个国家的经济如何？
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。