Dicetyl
联十六烷基, 三十二烷
🗣️ 情景例句
I would just like to thank all of you,
我只是想谢谢你们大家，
It's no use pumping a dry well.
徒劳无益。
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。