efficient
中文来自 ECDICT
- adj.
- 有效率的，能干的
演变路径（由近及远）
- 英语
- 源自 ←古法语
- 源自 ←拉丁语 efficientem
原始词根
原始印欧语 *dʰeh₁-
词源说明
1398, “making,” from Old French, from Latin efficientem, nominative efficiēns, participle of efficere (“work out, accomplish”) (see effect). Meaning “productive, skilled” is from 1787. Efficiency apartment is first recorded 1930, American English.
释义（英文）
形容词 Adjective
- Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.
- Expressing the proportion of consumed energy that was successfully used in a process; the ratio of useful output to total input.
- Causing effects, producing results; bringing into being; initiating change