Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
I have no definite ideas in that area right now.
在这方面目前我还没有具体的想法。
I told him to come in while waiting.
我告诉他进来等一下。
Li Lei ran much faster than the other boys.
李磊跑得比其他男孩快得多。