primary energy; natural energy resources
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
primary energy; natural energy resources existing in nature
technicalIn energy economics, this refers to energy sources found in nature that have not been processed or converted, such as coal, crude oil, natural gas, and hydropower. It contrasts with 二次能源 (secondary energy, e.g., electricity, gasoline).
Méi煤
tàn炭
、
shí石
yóu油
hé和
tiān天
rán然
qì气
dōu都
shǔ属
yú于
yī一
cì次
néng能
yuán源
。
Coal, petroleum, and natural gas are all primary energy sources.
Shuǐ水
lì力
fā发
diàn电
suī虽
rán然
chǎn产
shēng生
diàn电
lì力
，
dàn但
shuǐ水
běn本
shēn身
shì是
yī一
cì次
néng能
yuán源
。
Although hydroelectric power generates electricity, water itself is a primary energy source.
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Wǒ我
men们
yīng应
gāi该
tí提
gāo高
yī一
cì次
néng能
yuán源
de的
lì利
yòng用
xiào效
lǜ率
。
We should improve the utilization efficiency of primary energy.