Seleniol
胶态硒(治癌)
🗣️ 情景例句
Could you work in her place?
你能代替她吗？
Fortune knocks once at least at every man's door.
人人都有鸿运高照之日。
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。