Trihydroxy
a. [化]三羟(基)的
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
It's nothing.
小事情；不足挂齿。
I'm very sorry. Usually I'm very careful. I have never lost a book before. It won't happen again.
“很对不起。通常我是非常小心的。我以前从来没有丢过书。这样的事不会再发生了。”