Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
Go to work. Good-bye.
去工作吧。再见。
I hope I remember to ask the barber not to cut my hair too short.
我希望我能记得要求理发师把我的头发理短点。
Then he sat there and looked at it for three hours! He didn't write a word!
然后他就坐在那里，对着考卷看了3个小时，一个字也没写！