Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
There's a long way to go in reviving the countr's economy.
这个国家的经济复苏还有很长一段路要走。
I will take a cable car.
我将去搭电车。
even after she had been sadly disillusioned by Bessie.
即使在贝西大大地伤她的心之后，她还在找，一直到她死去。