Selenyl
[化] 氢硒基; 氧硒基
🗣️ 情景例句
Have you discussed it with your parents?
你和父母商量过了吗？
He that never climbed never fell.
不向上爬的也不会下跌。
We need our order separated into three different boxes.
我们订的货需要分装三箱。