单词：porpoising
(porpoise 的现在分词) n. 海豚, 鼠海豚
-ing form of porpoise
n. any of several small gregarious cetacean mammals having a blunt snout and many teeth
n. any of several small gregarious cetacean mammals having a blunt snout and many teeth
词型变化：名词复数形式 : porpoisings