noun 下载 🔗分享 背阔肌 A large, flat, dorsolateral muscle on the trunk, posterior to the arm, and partly covered by the trapezius on its median dorsal region. Examples : "The bodybuilder focused on strengthening his latissimus muscles with pull-ups. " 这位健美运动员通过引体向上来着重加强他的背阔肌。 anatomy body physiology organ 与AI对话词汇游戏阅读练习