Fluoridizing
v. 用氟化物处理( fluoridize的现在分词 )
🗣️ 情景例句
It's bound to happen sooner or later.
这件事迟早要发生。
The tailor makes the man.
人靠衣装。
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？