Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
I loved that place when we went on our honeymoon.
当初我们度蜜月时我便很喜欢那个地方。
The comet will appear in the southern sky.
彗星出现在南方的天空。
I gave much time to the old car.
我在这辆破车上花了不少时间。