effective
- adj. 有效的,起作用的;實(shí)際的,實(shí)在的;給人深刻印象
詞態(tài)變化
助記提示
2. meaning: 事情做完了,事情做結(jié)束了. => work out, accomplish.
3. => 引申為:事情做完、做結(jié)束后的結(jié)果、效果、作用、影響等。
4. 做動(dòng)詞就表示:生效、完成、實(shí)現(xiàn)、達(dá)到、造成等含義。
5. effect + -ive.
中文詞源
來(lái)自effect, 效果。
英文詞源
- effective (adj.)
- late 14c., "serving to effect the intended purpose," from Old French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Of military forces, meaning "fit for action or duty" is from 1680s.
雙語(yǔ)例句
- 1. Condoms are an effective method of birth control if used with care.
- 如果使用得當(dāng),避孕套是很有效的避孕手段。
來(lái)自柯林斯例句
- 2. Light colours provide an effective backdrop for pictures or a mirror.
- 淺色是掛放圖畫(huà)或鏡子很有效果的襯托。
來(lái)自柯林斯例句
- 3. Women are sometimes seen to be less effective as managers.
- 女性有時(shí)被認(rèn)為不善于管理。
來(lái)自柯林斯例句
- 4. The initial image projected was of a caring, effective president.
- 他最初表現(xiàn)出的是一個(gè)充滿愛(ài)心、辦事有效的總統(tǒng)形象。
來(lái)自柯林斯例句
- 5. The bank must be run in a cost-effective way.
- 銀行的經(jīng)營(yíng)必須追求成本效益。
來(lái)自柯林斯例句