It USES a thin stream of falling sand to measure time.
它使用一小股落下的沙子来计算时间。
Sand and leaves trapped the water in the stream.
沙子和树叶堵住了小河的水流。
Does Shenzhen sand well people hospital stream of people need to how much be?
深圳沙井人民医院人流要多少钱？
The stream had washed (out) a channel in the sand.
小河在沙地上冲出了一条沟。
The stream had washed a channel in the sand.
小河在沙地上冲出了一条沟。
The stream had washed a channel in the sand.
小河在沙地上冲出了一条沟。
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