shrinking on中文什么意思

例句与用法

1. Biologists have long recognized that mammals larger than rabbits tend to shrink on small islands , presumably as an adaptive response to the limited food supply
   生物学家老早就注意到，在小岛上，比兔子大的哺乳类往往会朝体型缩小的方向演化，可能是为了适应岛上有限的食物资源。