chalk的中文意思、音标与词形变化

n. 粉笔, 白垩 vt. 用粉笔写, 记录

n. a soft whitish calcite n. a pure flat white with little reflectance n. 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 v. write, draw, or trace with chalk