Celfume
溴甲烷
🗣️ 情景例句
You didn't ruin my day, Dad.
你没有扫我的兴， 爸爸。
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。