🗣️ 情景例句
What's happening in Singapore recently?
近来新加坡的情况怎样？
What color is your book?
你的书是什么颜色？
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？