n.制造白色或彩色粉笔的白垩( chalk的名词复数 )； 双语释义：n.(名词)[U]制造白色或彩色粉笔的白垩 this or a similar substance made into white or coloured sticks for writing or drawing on blackboard[U][C]粉笔 one of these sticksv.(动词)vt. 用粉笔写、画、作记号 mark, write, or draw with chalk英英释义： chalkn.a soft