Dens
[医] 牙, 齿
🏥 医学释义
①牙，齿 ②密度
🗣️ 情景例句
What time do you usually have supper?
你通常几点吃晚餐？
After dinner, they adjourned to the study to talk.
晚饭后，他们到书房谈话去了。
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。