effective是什么意思_effective怎么读_中英文释义(含例句用法)

producing or capable of producing an intended result or having a striking effect;"an air-cooled motor was more effective than a witch"s broomstick for rapid long-distance transportation"
"effective teaching methods"
"effective steps toward peace"
"made an effective entrance"
"his complaint proved to be effectual in bringing action"
"an efficacious law"

able to accomplish a purpose; functioning effectively;"people who will do nothing unless they get something out of it for themselves are often highly effective persons..."
"effective personnel"
"an efficient secretary"
"the efficient cause of the revolution"

works well as a means or remedy;"an effective reprimand"
"a lotion that is effective in cases of prickly heat"

exerting force or influence;"the law is effective immediately"
"a warranty good for two years"
"the law is already in effect (or in force)"

existing in fact; not theoretical; real;"a decline in the effective demand"
"confused increased equipment and expenditure with the quantity of effective work done"

ready for service;"the fort was held by about 100 effective soldiers"

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中英词源

effective 有效的

来自effect, 效果。

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.

词态变化

比较级 more effective;
最高级 most effective;
名词 effectiveness;

权威造句

1. Condoms are an effective method of birth control if used with care.: 如果使用得当，避孕套是很有效的避孕手段。

2. Light colours provide an effective backdrop for pictures or a mirror.: 浅色是挂放图画或镜子很有效果的衬托。

3. Women are sometimes seen to be less effective as managers.: 女性有时被认为不善于管理。

4. The initial image projected was of a caring, effective president.: 他最初表现出的是一个充满爱心、办事有效的总统形象。

5. The bank must be run in a cost-effective way.: 银行的经营必须追求成本效益。

近反义词

efficient

capable

impressive

相似短语

be effective for n.有...功效

be effective on 对...有效应, 对...起作用

effective absorption 有效吸附

effective apparatus 效应器

effective area 有效面积

effective debt 实际债务

effective depth 有效板厚，有效高度，有效梁高，有效深度

effective dose 有效剂量，有效量

effective draft 有效抽力

effective energy 有效能量

单词分析

这两个形容词均有“有效的”之意。
effective侧重产生实际的效果、效力或具有取得预期效果的能力，指人指物都适用。
efficient侧重指积极有效，效率高，效果好，节省精力。指人时，强调其能干、熟练的技巧。

记忆方法

1. ef- "out" + fect-. 在这里取 out 的引申义：完成、结束(finish, end)之意。
2. meaning: 事情做完了，事情做结束了. => work out, accomplish.
3. => 引申为：事情做完、做结束后的结果、效果、作用、影响等。
4. 做动词就表示：生效、完成、实现、达到、造成等含义。
5. effect + -ive.

effective是什么意思，effective怎么读

effective基本信息

英英释义