名词

1.不可数名词：白垩

2.不可数名词：制造白色或彩色粉笔的白垩或类似的物质[作定语](chalk dust)；可数名词：粉笔

v.

1.[I,T]用粉笔写、画、涂（某物）

2.【习】[chalk sth out]用粉笔画（某物的轮廓）

3.【习】[chalk sth up]【口】（尤指在黑板上）用粉笔写；获得或取得（成功）

4.【习】[chalk sth up (to sb/sth)]（尤指在小酒店买饮品等）记（某人的帐

词形变化

形容词chalky

名称chalkiness

时态chalked，chalking，chalks

英语解释

an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

a soft whitish calcite

write, draw, or trace with chalk

a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces

a pure flat white with little reflectance