Derrien's test
[医] 德廉氏试验(检尿α-二硝基酚)
🧩 词语组成解析
🗣️ 情景例句
I don't believe it!
我简直难以相信！
I have some left.
我剩下一些。
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。