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
What's so special about him?
他有什么特别的呢？
No matter what happens, don't be discouraged.
无论发生什么事，都不要气馁。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。