气孔运动与植物水分代谢密切相关。
Stomatal movement is an important topic in plant water metabolism.
在缺乏水分时，(植物)一般用蒸发作为降温的手段。一株植物无法消除它从阳光中所吸收的热量，或是无法消除它在新陈代谢过程中积累起来的热量。
When it is short of water, a plant, which normally USES evaporation as a means of cooling, cannot rid itself of the heat it absorbs from sunlight or the heat that may build up from its own metabolism.
水分代谢是植物基础代谢的重要组成部分，气孔开关精细地调节着植物水分散失和光合作用。
Water metabolism is an important part of plant metabolism. Stomatal opening and closing modulate water loss and photosynthesis.
水分代谢是植物基础代谢的重要组成部分，气孔开关精细地调节着植物水分散失和光合作用。
Water metabolism is an important part of plant metabolism. Stomatal opening and closing modulate water loss and photosynthesis.
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