Americans ranked 15th at 12 liters per person .

美国位列第15，人均消耗量12升。

Approximately 4 million liters of milk were poured during the protests .

在这场抗议活动中倒掉的牛奶约有400万公升

Its net capacity is 195 liters .

它的净容量为195升。

Quantities of cola consumed ranged from 2 to 9 liters per day .

每天可口可乐消耗量的范围是2~9升。

A bsf can produce several dozen liters of clean water in an hour .

一套bsf系统在一个小时内可以产生几十升清洁的水。