n.[计量] 公升(容量单位)
The bottle holds a liter of beer.
这个瓶子装一升啤酒.
This bottle holds one liter.
这个瓶子装一升.
Add 20 mg. of diatomaceous earth filter aid per liter of solution.
对每升溶液加入20毫克硅藻土助滤剂.