restore to original state; reduction (chemistry)
Tone colorsmāmámǎmàma
Meanings
2 senses · 6 examplesverb
to restore to its original state; to revert
neutralUsed in general contexts for returning something to a previous condition or state.
Ruǎn软
jiàn件
gēng更
xīn新
hòu后
，
xì系
tǒng统
zì自
dòng动
huán还
yuán原
le了
mò默
rèn认
shè设
zhì置
。
After the software update, the system automatically restored the default settings.
Zhè这
gè个
mó魔
shù术
shī师
néng能
bǎ把
sī撕
suì碎
de的
bào报
zhǐ纸
shùn瞬
jiān间
huán还
yuán原
。
This magician can instantly restore the torn newspaper.
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Wǒ我
men们
xū需
yào要
jiāng将
xiàn现
chǎng场
huán还
yuán原
dào到
shì事
fā发
shí时
de的
yàng样
zi子
。
We need to restore the scene to how it looked when the incident occurred.
verb
to reduce; chemical reduction
technicalA technical term in chemistry. Refers to a chemical reaction where a substance gains electrons (is reduced), often accompanied by oxidation of another substance.
Zài在
gāo高
wēn温
xià下
，
qīng氢
qì气
néng能
jiāng将
yǎng氧
huà化
tóng铜
huán还
yuán原
chéng成
tóng铜
。
At high temperatures, hydrogen can reduce copper oxide to copper.
Zhè这
gè个
fǎn反
yìng应
zhōng中
，
tiě铁
lí离
zǐ子
bèi被
huán还
yuán原
wéi为
yà亚
tiě铁
lí离
zǐ子
。
In this reaction, the iron ion is reduced to ferrous ion.
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Yǎng氧
huà化
hé和
huán还
yuán原
zǒng总
shì是
tóng同
shí时
fā发
shēng生
de的
。
Oxidation and reduction always occur simultaneously.