Middleground
中台
🗣️ 情景例句
That's where our difficulty lies.
那就是困难所在。
Are you finished?
请问您还用吗？
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？