Stern's test
[医] 斯特恩氏试验(乏色曼氏反应改良法及检孕)
🧩 词语组成解析
🗣️ 情景例句
Yes, Tom sure knows how to throw a party.
是的，汤姆的确是搞派对的能手。
Habit is second nature.
习惯成自然。
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。