Assertions
n. 声称( assertion的复数形式 ); 使用; 主张; 明确肯定
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
When I came in, he was reading.
当我进来的时候，他在读书。
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？