Ulvan
石莼(胶)聚糖
🗣️ 情景例句
Hey, Xiao Lu, what's up?
嘿，小陆，你好啊？
Are you watching TV now?
你在看电视吗？
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。