Tetrahydroxy
a. [化]四羟(基)的
🗣️ 情景例句
An audio diary.
来一段录音日记。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
Is there anything else that I ought to get?
我还该弄点别的什么东西吗？