Methaldehyde
四聚乙醛
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
I hope we can conclude the transaction at this price.
希望我们能就此价格达成交易。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。