Polydimethylsiloxane
聚二甲硅氧烷; 聚二甲硅氧烷
🗣️ 情景例句
Although we hadn't met for 25 years, I recognized him the minute I saw him.
尽管我们有25年未见面了，我一看见他就认出来了。
Unfortunately, powerful companies to the most damage.
不幸的是，庞大的公司几乎都在制造公害。
As it was extremely narrow, the man was unable to move,
由于烟囱太窄，那人无法动弹。