Binaphthol
联萘酚
🗣️ 情景例句
I just retired. Had my own company.
我刚退休。我原来开一家公司。
When one is about to act, one must reason first.
凡事要先思而后行。
Later, for its personal safety and practical needs,
慢慢地，由于自身安全和实际需要，