Natica
玉螺属
🗣️ 情景例句
So did I.
我也一样。
What's done by night appears by day.
若要人不知，除非己莫为。
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？