jiǎn
硷
alkali; base; soda
Tone colorsmāmámǎmàma
Meanings
2 senses · 6 examplesnoun
alkali; base (chemistry)
Chemistry term. Refers to substances with pH > 7 that neutralize acids to form salt and water. Includes strong bases like sodium hydroxide (烧碱) and weak bases like ammonia.
jiǎn碱
hé和
suān酸
fǎn反
yìng应
huì会
shēng生
chéng成
yán盐
hé和
shuǐ水
。
Alkalis and acids react to produce salt and water.
zhè这
shì是
yī一
zhǒng种
qiáng强
jiǎn碱
，
cāo操
zuò作
shí时
yào要
dài戴
shǒu手
tào套
。
This is a strong base; you must wear gloves when handling it.
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tǔ土
rǎng壤
hán含
jiǎn碱
liàng量
guò过
gāo高
huì会
yǐng影
xiǎng响
zuò作
wù物
shēng生
zhǎng长
。
Excessive alkali content in soil affects crop growth.
noun
soda; washing soda; sodium carbonate
Everyday usage. Refers to sodium carbonate (纯碱, 苏打) or historically to plant ashes used as detergent. Often used in cooking (e.g., making noodles) and cleaning.
yǐ以
qián前
de的
rén人
yòng用
jiǎn碱
shuǐ水
lái来
xǐ洗
wǎn碗
。
People used to wash dishes with alkaline water.
zuò做
mán馒
tou头
de的
shí时
hou候
jiā加
yī一
diǎn点
jiǎn碱
，
kǒu口
gǎn感
huì会
gèng更
hǎo好
。
Adding a bit of soda when making steamed buns improves the texture.
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yóu油
zì渍
tài太
zhòng重
le了
，
děi得
fàng放
diǎn点
jiǎn碱
cái才
néng能
xǐ洗
gān干
jìng净
。
The grease stain is too heavy; you need to add some washing soda to clean it.