Dialkylene
二烯基
🗣️ 情景例句
Give Mommy a kiss, Gerald. Nice! Gerald
亲一亲妈妈！很好！
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。