Retroengine
n. [空]制动发动机
🗣️ 情景例句
I'd like to check this book out.
我想借这本书。
The best remedy against an ill man is much ground between.
敬而远之。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡