dentist n.牙醫(yī);impossible adj.不可能的;pull out a tooth(動(dòng)詞結(jié)構(gòu))拔掉一顆牙;cotton wool 藥棉;collect vt.收集;match box火柴盒;collection n.收集,收藏;grow v.成長(zhǎng),增長(zhǎng);in answer to one’s question作為對(duì)某人問(wèn)題的回答;nod v.點(diǎn)頭;make strange noises(動(dòng)詞結(jié)構(gòu))弄出奇怪的聲響;meanwhile adv.與此同時(shí);tongue n.舌頭;be busy doing sth.忙著做某事;search out 動(dòng)詞短語(yǔ))搜出;hole n.洞;remove vt.移開(kāi),去除;pull out the wrong tooth拔錯(cuò)牙