noun🔗Share江豚，鼠海豚 A small cetacean of the family Phocoenidae, related to dolphins and whales."The marine biologist observed a playful porpoise near the research vessel. "那位海洋生物學家在研究船附近觀察到了一隻正在嬉戲的江豚。animaloceanbiologynaturefishChat with AIVocabulary GamePractice Reading
noun🔗Share海豚，江豚 (imprecisely) Any small dolphin."The marine park had dolphins and a porpoise, which is like a smaller kind of dolphin. "这家海洋公园里有海豚，还有一只江豚，江豚就像一种体型较小的海豚。animaloceanfishbiologynatureChat with AIVocabulary GamePractice Reading
verb🔗Share跃出水面, 潜入水中 Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion."The dolphins porpoised playfully, leaping repeatedly out of the water and diving back in. "海豚们嬉戏地跃出水面，潜入水中，不停地重复着这个动作。animalbiologyoceannatureactionChat with AIVocabulary GamePractice Reading
verb🔗Share上下颠簸, 豚跳. Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water."The small seaplane began to porpoise violently as it attempted to land on the choppy lake, making it difficult for the pilot to control. "这架小型水上飞机在波涛汹涌的湖面上试图降落时，开始剧烈地上下颠簸，像海豚一样豚跳，导致飞行员难以控制。nauticalvehiclesailingtechnologyChat with AIVocabulary GamePractice Reading
