常见例句雙語例句Just outside the small town of Sand Lake, Michigan, a 500- by-500-foot pond disappeared into a sinkhole.而在密西根州，小城沙湖城外有一個長寬各500呎的池子，裡麪的水卻從排水孔消失。pearlpig2000.spaces.live.com 返回 sinkhole pond