Factorl
血纤维蛋白原
🗣️ 情景例句
I'm thirty.
我三十岁。
I'm glad I'm not in his shoes!
我很高兴我不是处在他的境遇。
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？