andthe1.5millionbatsthat(代指什么呢?)liveunderit.
OneofthequirkiesttouristattractionsinAmericaisabridgeinthecityofAustin,Texas,andthe1.5millionbatsthatliveunderit.请问句中的that代指什么呢?这个that的功能是什么?请详解,想要高分的朋友可提出要求.