chalk
英[tʃɔːk]
美[tʃɔk]
- vt. 用粉笔写；用白垩粉擦；记录；规划
- n. 粉笔；白垩；用粉笔划的记号
- adj. 用粉笔写的
- vi. 变成白垩状
- n. (Chalk)人名；(英)乔克
英英释意
- 1. a soft whitish calcite
- 2. a pure flat white with little reflectance
- 3. amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
- 4. a piece of chalk (or similar substance) used for writing on blackboards or other surfaces