Contraposition
n. 对置, 对立, 对照
✅ 同义词
🗣️ 情景例句
OK. Do you have lemons?
好，你有没有柠檬？
Would you be so kind as to open this window for me? It's stuck.
你能为我打开这扇窗户吗？ 它粘住了。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。