Microphotometry
显微光度术
🗣️ 情景例句
And now for ... something old,
现在， 接着是 一些旧的，
Experience must be bought.
若要得经验，必须化代价。
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。