单词记住一两个有用的就可以了,有些意思差别比较大的词汇可以从词源上记。
比如说
rack
作名词讲时是
a framework, typically with rails, bars, hooks, or pegs, for holding or storing things
(尤指设有横杆、横木、挂钩或挂钉的)架子,挂架,支架,搁架
做动词讲时是
(亦作wrack)(常作be racked)cause extreme physical or mental pain to; subject to extreme stress
使遭受剧烈痛苦,折磨;使受极端压力