如果秋天野泳的念头让你脊背颤栗那么意大利的天然温泉池就提供了一个不那么惩罚性的替代选择。
If the thought of autumnal wild swimming sends a shiver down your spine, Italy's natural hot pools offer a much less punishing alternative.
玄宗爱她甚于爱天下，他甚至为她修建了天然温泉池，她可以在春天恣意洗浴。
Xuanzong loved her more than anything in the world; he even built her a natural warm spring pool which she could take a bath at spring time.
燃料电 池所需要的氢气也可能是由天然气或石油产品制成的。
The hydrogen needed for fuel cells could also be generated from natural gas or petroleum-based products.
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