🧩 词语组成解析
多曲柄式发动机, 多发动机
🗣️ 情景例句
I never bother servicing my own car, it's too much trouble.
我从来都不自己修车的，麻烦死了。
Thank you very much.
非常感谢。
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。