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
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
No man is wise at all times.
智者千虑，必有一失。
Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.
月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。