動(dòng)詞 enhance:

1. increase
   同義詞：heighten, raise
2. make better or more attractive

1. A system of physical conditioning designed to enhance circulatory and respiratory efficiency that involves vigorous, sustained exercise, such as jogging, swimming, or cycling, thereby improving the body's utilization of oxygen.
   有氧健身法旨在增強(qiáng)循環(huán)和呼吸功效的生理調(diào)節(jié)體系，包括有力的、持久的鍛煉，例如慢跑、游泳或騎自行車，從而提高肌體對氧氣的利用
2. Now her teachers corps, called Teach for American is off and running. After a rigorous competition,500 recent college graduates won places out of a field of2,500 applicants, proving Ms.Kopp's theory that making the corps selective would enhance its appeal to college students.
   現(xiàn)在她的教師工作團(tuán)——名為教師報(bào)國團(tuán)——已迅速展開工作。經(jīng)過一番激烈競爭之后，2500名申請人中，500名剛從大學(xué)畢業(yè)的被錄取。證明了柯普女士的理論：工作團(tuán)從嚴(yán)錄取將可在大學(xué)生中增加號(hào)召力。
3. He made many efforts to enhance his reputation.
   他做了許多努力來提高他的聲譽(yù)。
4. Those clothes do nothing to enhance her appearance.
   她穿那些衣服也并沒顯得更漂亮。

en.hance

v.tr.（及物動(dòng)詞）
en.hanced,en.hanc.ing,en.hanc.es
To make greater, as in value, beauty, or reputation; augment:
提高，增進(jìn)：在價(jià)值、美、聲望上增強(qiáng)；加強(qiáng)：
例句：
.She had a sweetness to her face, a warmth that was enhanced by luminous dark eyes.(Gioia Diliberto)
.她的面容甜美，因那雙明亮的黑眼睛而增強(qiáng)了生氣.(喬亞·迪利貝托)

來源：
Middle English enhauncen
中古英語 enhauncen
from Anglo-Norman enhauncer
源自 英法語 enhauncer
variant of Old French enhaucier
古法語 enhaucier的變體
from Vulgar Latin *inalti3re
源自 俗拉丁語 *inalti3re
from Late Latin inalt3re
源自 后期拉丁語 inalt3re
Latin in- [causative pref.] * see en-
拉丁語 in- [使役前綴] *參見 en-
altus [high] * see al- 2
altus [高] *參見 al- 2

【引伸】
enhance.ment
n.（名詞）
enhanc.er
n.（名詞）
enhanc.ive
adj.（形容詞）