Selenous acid
[建] 亚硒酸
🧩 词语组成解析
二价硒的
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
I used to take a walk in the early morning.
我过去常一大早出去散步。
The reason lies in its gravity.
其原因在于月球的重力。