他的下巴上粘着肉汁。There was a smear of gravy on his chin.强力胶水可能无法粘住某些塑料。The superglue may not create a bond with some plastics.如果窗户碎了，就无法再把它粘回到一起了。If a window is broken, you can't stick it back together again....
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....