Dihydrazone
[机] 二腓
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
We're in competition with several other companies for the contract.
我们与另外几家公司逐争取这个合同。
A planet would have to be a very long way from it to be capable of supporting life.
那么一颗行星为了维持生命就要离开的它的恒星非常远。