分词翻译
跟踪的英语翻译：
dog; follow the tracks of; follow up the scent; run after; scout; slot; tail
tail after
【计】 step into; tracing; track; tracking球的英语翻译：
ball; globe; orb; sphere; the earth
【医】 ball; balloon; bulb; bulbi; bulbo-; bulbus; globi; globus; glomera
glomus; orb; sphaer-; sphaero-; sphere; sphero-
