🗣️ 情景例句
Could I?
我可以用吗？
When I left, he was at home.
当我离开的时候，他回家了。
They sting or bite without provocation; they fly uninvited into our rooms on summer nights, or beat ageist our lighted windows.
它们无缘无故地又叮又咬；夏天的晚上，它们未经邀请便飞到我们房间里，或者对着露出亮光的窗户乱扑乱撞。