Tetraethoxysilane
四乙氧基硅烷
🗣️ 情景例句
I never understand what you are talking about, maybe it's the language barrier.
我从不知道你在说什么，也许这就是语言障碍吧。
I've already read that book.
我已经读了那本书。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；