Polyethyleneglycol
聚乙二醇
🗣️ 情景例句
Why advanced?
为什么是高级的？
Excuse me I couldn't see you.
对不起我不能去看你。
Sorry! she said to the shopkeeper. I've forgotten my money!
“对不起！”她对售货员说，“我忘记带钱了！”