Acetylpyridine
乙酰吡啶
🗣️ 情景例句
And I don't think it's a good idea
而且我觉得这不是个好主意
All is not at hand that helps.
有用的东西并不都是垂手可得的。
In 1893 New Zealand was the first nation in modern times to allow women to vote, long before many other countries.
3年，新西兰是第一个在近代就允许妇女参加选举的国家，这比许多其他国家要早得多。