Trihydroxy
a. [化]三羟(基)的
🗣️ 情景例句
about your family background.
关于你的家庭背景的。
I will take an escalator.
我将去搭手扶电梯。
One of the first things Annie did was to teach me how to play.
安妮首先要做的事情之一，就是教我如何耍。