Developments
n. 建设；发展；进展（development的复数）
🗣️ 情景例句
Excuse me, Richard, Marilyn.
打扰一下 Richard Marilyn。
He that will not work shall not eat.
不工作者不得食。
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？