Demarcations
(demarcation 的复数) n. 划界, 定界, 限界\\n[医] 分界, 划界
🗣️ 情景例句
Give me a chance to think about it,
给我一个机会想一想，
$10.00, please.
请付10美元。
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？