A glass of water each hour is a general rule.
每小时一杯水是通常的做法。
Throw a battery into a glass of water, then drink it in half an hour.
扔一节电池到一杯水里，半小时后喝掉。
Can sand flow upward in the hour glass?
时间的沙漏能倒流吗？
The hour glass, is I think when you the palpitation.
沙漏、是我想迩时的心跳。
For more than an hour a scrawny guy sat at bar staring into his glass.
一个骨瘦如柴的人坐在酒吧里眼瞪着自己的酒杯已超过一个小时。
For more than an hour a scrawny guy sat at bar staring into his glass.
一个骨瘦如柴的人坐在酒吧里眼瞪着自己的酒杯已超过一个小时。
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