Contrapositives
(contrapositive 的复数) a. 对照的, 针对的\\n[计] 逆反式的, 倒置的
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
Rain is falling.
外面在下雨。
Help! said Bruce. The basket isn't here!
“来人啊！”布鲁斯说，“篮子不见了！”