Unicel
二亚硝基五亚甲基四胺(发泡剂)
🗣️ 情景例句
and I promised to have lunch with both of them today.
我答应今天和他们共进午餐。
How many of these are you going to send him?
你要送多少给他？
Would you like a drink ?
你们想喝点什么吗？