Hydroxyorganosilane
羟基有机硅烷
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
For all his life, he had known that people suddenly disappeared from their villages.
他一生中，听说过有的人突然间在他们的村庄失踪了。