He died, literally , at the chalkboard at age 83.他过世了, 83岁的时候, 在黑板前.Then one morning we were working math problems at the chalkboard.后来有一天早晨,我和玛丽在黑板上写下了数字题目.The map was drawn on chalkboard with ink - markers.那张地图用记号笔画在一块...

chalkiness的音标：chalkiness的英式发音音标为：[t'ʃɔ:kɪnəs]chalkiness的美式发音音标为：[t'ʃɔkɪnəs]...

chalk的一般过去时为：chalked...

chalkstone的音标：chalkstone的英式发音音标为：['tʃɔ:kstəʊn]chalkstone的美式发音音标为：['tʃɔkˌstoʊn]...

chalked的音标：chalked的英式发音音标为：[tʃɔ:kt]chalked的美式发音音标为：[tʃɔkt]...

chalks的音标：...

He chalked the message on the blackboard...他用粉笔将消息写在黑板上。The boys chalked out goalposts on the sports ground wall.男孩子们在运动场边的墙上用粉笔画上了球门柱.The team chalked up the ten victories against two defeats.该队赢10场输2场.Several important...