| 单词 | 起效 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔effect〕The medicine takes effect after about half an hour.这个药大概半小时后起效。外研社新世纪〔fast〕These drugs work terrifically fast.这些药物起效飞快。外研社新世纪〔take〕You need to wait half an hour for the medication to take.需要等半个小时药才会起效。外研社新世纪〔work〕How long does a sleeping pill take to work?安眠药多长时间开始起效？外研社新世纪 |
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