Polyethyleneglycol
聚乙二醇
🗣️ 情景例句
Can you please take a message for me?
你能帮我留个条吗？
The small courtesies sweeten life; the greater ennoble it.
有点礼貌使生活愉快，多点礼貌使生活高尚。
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。