Neohydrin
汞丙脲, 新海德林脲
🗣️ 情景例句
As simple as that.
就这么简单。
Practice what you preach.
言必行。
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。