名詞 energy:

1. (physics) the capacity of a physical system to do work; the units of energy are joules or ergs
2. forceful exertion
   同義詞：vigor, vigour, zip
3. enterprising or ambitious drive
   同義詞：push, get-up-and-go
4. an imaginative lively style (especially style of writing)
   同義詞：muscularity, vigor, vigour, vim
5. a healthy capacity for vigorous activity
   同義詞：vim, vitality
6. the federal department responsible for maintaining a national energy policy of the United States; created in 1977
   同義詞：Department of Energy, Energy Department, DOE

1. Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.
   葉綠素是生長(zhǎng)在植物中的綠色物質(zhì)，它能吸收陽(yáng)光，促進(jìn)植物生長(zhǎng)。
2. The solar cell can convert the energy of sunlight into electric energy.
   太陽(yáng)能電池能把陽(yáng)光的能量轉(zhuǎn)化為電能。
3. Young people usually have more energy than the old.
   青年人通常比老年人精力充沛些。

en.er.gy

n.（名詞）
【復(fù)數(shù)】 en.er.gies
The capacity for work or vigorous activity; vigor; power.See Synonyms at strength
能力，精力，活力：工作或積極活動(dòng)的能力；活力；精力參見(jiàn) strength

Exertion of vigor or power:
精神，力氣：精力或能力的耗用：
例句：
a project requiring a great deal of time and energy.
一項(xiàng)需要耗用大量時(shí)間和精力的方案

Vitality and intensity of expression:
充滿活力和激情的表述：
例句：
a speech delivered with energy and emotion.
一個(gè)充滿力量及激情的演說(shuō)

Usable heat or power:
熱能源，電能：可用的熱量或能量：
例句：
Each year Americans consume a high percentage of the world`s energy.
每年美國(guó)人都消耗掉世界能源的很大比例

A source of usable power, such as petroleum or coal.
能源：可用能量的來(lái)源，如石油或煤
Physics The capacity of a physical system to do work.
【物理學(xué)】 能量，能：物理系統(tǒng)做功的容量能力
n.attributive.（定語(yǔ)名詞）
Often used to modify another noun:
常用于修飾另一個(gè)名詞：
例句：
energy conservation; energy efficiency; an energy czar.
能量守恒；功效；強(qiáng)權(quán)的沙皇

來(lái)源：
French énergie
法語(yǔ) énergie
from Late Latin energoa
源自 后期拉丁語(yǔ) energoa
from Greek energeia
源自 希臘語(yǔ) energeia
from energos [active]
源自 energos [積極的，主動(dòng)的]
en- [in, at] * see en- 2
en- [在…上，在…] *參見(jiàn) en-2
ergon [work] * see werg-
ergon [功] *參見(jiàn) werg-