An earthworm is a terricolous organism.蚯蚓是陆生的生物.The earthworm population had declined by 70 %.蚯蚓数量下降70%.The oral opening in an earthworm is small.蚯蚓的口是很小的....
Try and speak less indistinctly.想法子说得清楚些.He speaks so indistinctly that many listeners haven't a clue what he is saying.他说话含混不清，以至很多听众一点都不知道他在说什么。Their voices came down, afar and indistinctly, from the upper heights...