Tholoid
圆顶熔岩丘
🗣️ 情景例句
What's your plan for the May Day holiday?
你计划好怎样过五一假期没有？
Let me carry your baggage.
让我拿你的行李。
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。