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black board黑板刷eraser橡皮chalk粉笔desk桌子clock闹钟light灯chair椅子student学生teacher老师platform讲台英语小知识:Labor’s Da(y劳动节)Labor’s Day is on M ay1st.Labor’s Day is an international(国际的)day for workers.W orking isglorious(光荣的),and we sho
black board blackboard brush eraser eraser chalk chalk desk desk clock alarm light lamp chair student student teacher teacher platform platform knowledge: Labor's Da Labor's Day is on M ay1st.Labor's Day is an international (International) day for workers.W orking isglorious (glorious), and we sho