Dihydroxyphthalophenone
酚酞
🗣️ 情景例句
but my work keeps me busy.
但我老是忙于工作。
Every man thinks his own geese swans.
每个人都以为自己的东西了不起。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行，或在饮用水不现成的国家居住的人，应该知道如何使水适于饮用的各种办法。