Polysilsesquioxane
[化] 聚倍半硅氧烷
🗣️ 情景例句
For goodness' sake, Pete, tell us!
天啊， Pete， 快告诉我们
Please send us all the data concerning your Hero Brand fountain pens and ball pens, so we can introduce your products to our customers.
请寄给我们有关你方英雄牌自来水笔和圆球笔的资料，以便我们向顾客介绍你们的产品。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。