There are two pints in a quart and four quarts in a gallon.

一是两品，而一是四。

1 litre is roughly equal to 1 quart.

1升约等1。

As he could not lift the whole pailful of water at once, he fetched a milk jug, and ladled quarts of water into the pail by degrees.

由他不能一次过提起一整桶水，他拿来牛奶壶，以舀取一一的量倒进桶里。