noun 下载 🔗分享 头胸部 The fused head and thorax of spiders and crustaceans Examples : "The scientist carefully observed the crab's cephalothorax, noting the intricate patterns of its exoskeleton. " 科学家仔细观察了螃蟹的头胸部,并记录了它外骨骼上错综复杂的图案。 anatomy animal biology organism part insect 与AI对话词汇游戏阅读练习