形容詞 productive:

1. producing or capable of producing (especially abundantly)
2. having the ability to produce or originate
   同義詞：generative
3. yielding positive results
4. marked by great fruitfulness
   同義詞：fat, fertile, rich

1. She was elected a productive worker.
   她被選為勞動(dòng)能手。
2. I spent a very productive hour in the library.
   我在圖書館里的這一小時(shí)收獲很大。
3. They work hard, but their efforts are not very productive.
   他們很努力，但效率不太高。

pro.duc.tive

adj.（形容詞）
Producing or capable of producing.
生產(chǎn)性的：生產(chǎn)的或能生產(chǎn)的
Producing abundantly; fertile.See Synonyms at fertile
多產(chǎn)的，富饒的：能大量生產(chǎn)的；肥沃的參見 fertile
Yielding favorable or useful results; constructive.
得益的：富有成效的或結(jié)果有用的；建設(shè)性的
Economics Of or involved in the creation of goods and services to produce wealth or value.
【經(jīng)濟(jì)學(xué)】 生產(chǎn)性的：創(chuàng)造價(jià)值或財(cái)富的產(chǎn)品或服務(wù)的創(chuàng)造的或從事之的
Effective in achieving specified results; originative:
能生產(chǎn)…的：創(chuàng)造特定結(jié)果有效的；創(chuàng)新的：
例句：
policies productive of much harm.
帶來許多害處的政策

Medicine
【醫(yī)學(xué)】
Producing mucus or sputum:
分泌粘液的或生痰的：
例句：
a productive cough.
排痰性咳嗽

Forming new tissue:
生成新組織的：
例句：
a productive inflammation.
生成新組織的炎癥

Linguistics Of or relating to the linguistic skills of speaking and writing.
【語言學(xué)】 有構(gòu)詞能力的：說與寫的語言技巧的或與之有關(guān)的

【引伸】
produc.tively
adv.（副詞）
produc.tiveness
n.（名詞）