【act】
"to do, to drive"表示“做;使”
|counteract=counter+act v.和...相抵消,对...起反作用;中和
counter-"反对"
eg:He has to take some medicine to counteract high blood pressure.
|overact=over+act v.行为过火;夸张地表演
over-"过度的"
eg:He overacts in a deliberateky artificial way.
|radioactive=radio+act a.放射性的
radio-"放射"
eg:The phenomenon is called radioactive fallout.
【词汇扩展】
activate v.使活动;使活化
active a.活动的;有活力的;
actuate v.激励;开动
tansact v.处理;执行;交易
reactionary n.反动势力;a.反动的;保守的
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