adjective 下载 🔗分享 同心的，共心的 Having a common center. Examples : "The layers of the onion are concentric, each one smaller than the last. " 洋葱的每一层都是同心的，一层比一层小。 math space figure 与AI对话词汇游戏阅读练习
adjective 下载 🔗分享 向心, 收缩的 (of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm via the elbow joint while contracting the triceps and other elbow extensor muscles; closing of the jaw while flexing the masseter). Examples : "During a bicep curl, the concentric phase of the movement occurs as you lift the weight, shortening the bicep muscle. " 在做肱二头肌弯举时，向心阶段发生在举起重量的过程中，此时肱二头肌会缩短。 physiology anatomy body medicine function 与AI对话词汇游戏阅读练习
