Chalk
01
粉笔, 粉笔棒
a white or colored stick similar to chalk that is used for drawing or writing
02
甲基苯丙胺, 美沙酮
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
03
粉笔, 粉笔白
a pure flat white with little reflectance
04
粉笔, 白垩
a soft whitish calcite
05
白垩, 白垩岩
a group of soft, white rock layers made mainly from the remains of tiny sea animals, often found in hills, cliffs, or underground
例子
The cliffs are made of thick chalk deposits.
悬崖是由厚厚的白垩沉积物构成的。
Geologists studied the chalk layers in the hill.
地质学家研究了山上的白垩层。
to chalk
01
用粉笔画, 用粉笔写
to create content using chalk as the writing or drawing instrument
Transitive: to chalk sth
例子
The artist chalked a vibrant mural on the sidewalk, showcasing their talent in a public space.
艺术家在人行道上用粉笔画了一幅生动的壁画，在公共空间展示了他们的才华。
As the meeting progressed, participants were encouraged to chalk their ideas on a large communal board.
随着会议的进行，与会者被鼓励在一个大型公共板上写下他们的想法。
