Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
I hope you can consider my offer.
我希望你能考虑我的建议。
This is a good example of his poetry.
这是他诗作的一个好例子。