1·Where is the nearest water source?
最近的水源在哪里？
2·The exhibition will focus on three topics: water source protection, global warming and the aging problem.
该展区主要有三个主题：保护水源，全球变暖问题和老龄化问题。
3·Liuzhou's principal water source for industrial, commercial, and residential use is the Liujiang River.
柳江是柳州市工业、商业和居民生活用水的主要水源。
4·The spherical design features a handle that allows the tub to be easily wheeled to a water source.
圆形加手柄设计方便将其滚至水源点。
5·24once the city's main water source, the Los Angeles River is now a concrete channel fed by storm drains.
曾经作为城市主要水源的洛杉矶河，现在是一条混凝土渠道，用于暴雨排水渠。