effective
adjective uk/ɪˈfek.tɪv/ us/əˈfek.tɪv/
(SUCCESSFUL)
B2 能产生预期结果的；有效的
successful or achieving the results that you want
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. 她课教得非常好。
Opposite: ineffective
- More examples
- Yoga is a very effective technique for combating stress.
- I've never found screaming and shouting at my staff to be very effective.
- This tiny capsule contains two types of effective painkilling ingredients.
- If the law is to be effective it must be applied fairly.
- This style of decoration is simple yet effective.
(IN FACT)
[ before noun ]实际上的；事实上的
in fact, although not officially
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。
(IN USE)
（法律法规）生效的
If a law or rule becomes effective, it starts to be used.
The new laws will become effective next month. 新法律将在下月正式生效。