知识贝壳
所属栏目:英文易混词
·sac a pouch containing fluid inside a plant or animal.(动植物组织中的)囊;液囊Among seahorses,the male carries the egg sac containing the young.对于海马这种动物来说,雄性海马携带含有幼崽的卵囊。·sack a container made of paper or other material that is used to carry ......(本文共 778 字 ) [阅读本文] >>