What is the dolphin's melon?A. An oval-shaped bone that lets the dolphin hear sounds.B. An organ made of fat tissue that helps a dolphin send sound waves.C. An air-filled cavity that lets the dolphin breathe underwater.D. An organ filled with water that helps the dolphin measure depth.
Professor: Well, turns out dolphins have a structure in their foreheads, just in front of their nasal sacs, called a melon. Now, the melon is kind of a large sac-like pouch, made up of fat tissue. 根据教授所说,melon 位于海豚前额的鼻囊里,由脂肪组织构成的。后文又说这种组织可以帮助海豚发射声波。B 选项正确。
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第1个回答 2021-12-19
Professor: Well, turns out dolphins have a structure in their foreheads, just in front of their nasal sacs, called a melon. Now, the melon is kind of a large sac-like pouch, made up of fat tissue. 根据教授所说,melon 位于海豚前额的鼻囊里,由脂肪组织构成的。后文又说这种组织可以帮助海豚发射声波。B 选项正确。
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