a type of limestone; chalk
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
chalk; a soft, white, porous limestone
technicalSpecifically refers to a soft, white sedimentary rock composed of calcite, often formed from ancient marine organisms. Widely used historically as a writing tool and building material.
Zhè这
miàn面
qiáng墙
shì是
yòng用
bái白
è垩
fěn粉
shuā刷
de的
。
This wall was whitewashed with chalk.
Bái白
è垩
jì纪
shì是
kǒng恐
lóng龙
fán繁
shèng盛
de的
dì地
zhì质
shí时
dài代
。
The Cretaceous period is the geological era when dinosaurs thrived.
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Lǎo老
shī师
yòng用
bái白
è垩
zài在
hēi黑
bǎn板
shàng上
xiě写
zì字
。
The teacher wrote on the blackboard with chalk.
Zhè这
zhǒng种
tǔ土
rǎng壤
hán含
yǒu有
fēng丰
fù富
de的
bái白
è垩
chéng成
fèn分
。
This soil contains rich chalk components.