Phosphono-
[化] 膦酰基
🗣️ 情景例句
But the only time he's available this week
但这星期他有空的时间只有
I remember the girl whose father goes there every winter.
我记得那个女孩的父亲每年冬天都去那里。
I can hear something! said Lucy.Does anybody live on this island?
“我听到什么东西了！”露茜说，“岛上有人居住吗？”