Playpen
n. 游戏围栏
✅ 同义词
🗣️ 情景例句
He's so funny.
他喜欢开玩笑。
Don't tell me.
不要告诉我。
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？