This prevents two liters of water from being used every time you flush.

这样你每次冲水都可以节省两升水。

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Two liters is only half a gallon, so there’s still plenty of water left for most bathroom visits.

2升也就是半个加仑而已，剩下的水应付一般的如厕足矣。

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You may bring up to two liters of alcohol and two cartons of cigarettes to the Caribbean islands.

您可能会带来两个公升酒精和两箱香烟给加勒比岛屿。

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Even better,doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.

VOA: special.2010.07.27

Even better, doctors say, drink about two liters of water a day so problems with dehydration will not have a chance to develop.

VOA: special.2011.08.09

Health experts say adults should drink about two liters of water a day to replace all the water lost in liquid wastes and perspiration.

VOA: special.2010.07.27

Some kidney specialists say that an adult should make at least two liters of urine per day.

CNN: What can I do for kidney stones?

The Chinese State Administration of Quality Supervision, Inspection and Quarantine said the amount of the chemical found in the milk would not cause ill effects in adults who drank less than two liters a day.

CNN: Almost 13,000 Chinese children sickened by tainted milk

The lantern costs a lot more -- around 800 rupees -- but Freeplay hopes it will replace the two to three liters of kerosene used by each family every month.

CNN: Energizing India