柯林斯詞典amphibian /?m?f?b??n/ (amphibians) 1. N-COUNT Amphibians are animals such as frogs and toads that can live both on land and in water. 兩棲動物2. N-COUNT An amphibian is a vehicle that is able to move on both land and water, or an aeroplane that can land on both land and water. 水陸兩用車; 水陸兩用飛機 返回 amphibian劍橋詞典 amphibian noun [C] (ANIMAL) an animal , such as a frog , that lives both on land and in water but must produce its eggs in water 兩棲動物 返回 amphibian