Columning
[医] 棉塞支托法(对子宫脱垂)
🗣️ 情景例句
You're a real friend!
你是个真正的朋友！
The shoes are worn-out.
这鞋已经不能穿了。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？