reacts to 对...做出反应

react with化学反应

give in    give up give off  give away

dispose of

work on    work for  work  at  work  out

hang up 悬挂    hang on   hang  over

fight against

interfere with

free from     take away from拿走...从...

generate electricity

without=free of

effect起效用

result from     result in导致

ice age冰川时期

offset补偿

structure  -phrases,words-sentence

reduce    to minimum

in due time