他的那双手，曾在我上小学时经常捏着半支粉笔在黑板上写来画去，或是握着米把长的教鞭棍在我和同学们面前挥来舞去。
B-Person O B-Thing I-Thing I-Thing O O O B-Person B-Time I-Time I-Time I-Time O O O O O O B-Thing I-Thing O B-Thing I-Thing O O O O O O O O O O O O O O B-Thing I-Thing I-Thing O B-Person O B-Person I-Person I-Person B-Location I-Location O O O O O