Contrapositive rule
[计] 倒置规则
🧩 词语组成解析
a. 对照的, 针对的\\n[计] 逆反式的, 倒置的
rule
[ru:l]
n. 规则，规定;统治，支配;章程;
vt.& vi. 控制，支配;判定;裁定，裁决;价格稳定;
vt. 统治;规定;管理;裁决;
vi. 统治;管辖;裁定;
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
Let me see. That would be $40.00 a day plus 38 cents a mile.
让我瞧瞧。一天40美元，每英里外加3角8分。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”