没事的时候，我喜欢挨个将它们从笔套里拔出，抚一抚那如婴儿细软毛发的笔头，随后将一撮毛套进竹管中。
O O O B-Time I-Time O B-Person O O O O O B-Thing I-Thing O B-Thing I-Thing B-Location O O O O O O O O B-Person I-Person O O O O O B-Thing I-Thing O O O O B-Thing I-Thing I-Thing I-Thing O B-Thing I-Thing O O