Snails and octopuses are molluscs.蜗牛和章鱼是软体动物.Limpets, snails and octopuses are mollusks.帽贝 、 蜗牛和章鱼都是软体动物.Octopuses vary greatly in size the smallest about 5 cm long.章鱼大小差异极为显著,最小的只有5厘米长....

n.章鱼( octopus的名词复数 )...

octopuses的音标：...