(informal)when experienced or engaged in a little at a time
(非正式)一次一点地，慢慢地，少量地
computer games are great in small doses.
电脑游戏每次只玩一会儿是很好的。
(Brit. informal)very fast and efficiently
(英，非正式)很快地，一下子
we'll go through this place like a dose of salts and scrub it from top to bottom.
我们会很快把这个地方从顶到底擦干净。