adj.减少的,减弱的;
v.变少( lessen的过去式和过去分词 );减少(某事物);
英文例句/中文翻译:
The rain bad lessened, but it stayed overcast.
雨已小了,但天空仍是阴沉沉的。
The program has lessened the effects of car pollution.
该计划降低了汽车污染的影响。
( His) drive was greatly lessened.
锐气大挫。