effective
[ɪ'fek.tɪv] adjective
SUCCESSFUL 成功的
ESSENTIAL
■successful or achieving the results that you want 能产生预期结果的；有效的•It's an extremely effective cure for a headache.这种药物治疗头痛极其有效。 •The lighting for the production made a very effective use of shadow.该戏剧的舞台灯光设计巧妙地运用了阴影效果。 •She's a very effective teacher.她课上得不错。 Opposite ineffective
[ɪ'fek.tɪv] adjective
IN FACT 事实上的
[before noun]
■in fact, although not officially 实际上的；事实上的•Although she's not officially our boss, she's in effective control of the office.她虽然名义上不是我们的老板，但实际上掌管着该办事处。
[ɪ'fek.tɪv] adjective
IN USE 生效，有效
■If a law or rule becomes effective, it starts to be used （法律法规）生效的•The new laws will become effective next month.新法律将在下月正式生效。 |