We have two basic types of muscle fibers, slow twitch and fast twitch.

我们每个人有两种基本的肌肉纤维，慢抽搐和快抽搐肌纤维。

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We have two basic types of muscle fibers, slow twitch and fast twitch.

我们每个人有两种基本的肌肉纤维，慢抽搐和快抽搐肌纤维。

youdao