Unit1tall—taller更高的short—shorter更矮的strong—stronger更强壮的old—older年龄更大的young—younger更年轻的big—bigger更大的heavy—heavier更重的long—longer更长的thin—thinner更瘦的small—smaller（体型）更小的Unit2haveafever发烧haveasorethroat喉咙疼ha...