When viewed from a microscope, there is no striation presented in the muscle, and moreover, since it is no controlled by our willpower, it is called involuntary, nonstriated muscle.
从纤维镜下观察,

无横纹状结构,


随人的意志收缩,
称
随意
非横纹
。
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人(汇总)
60秒-科
美国人 2019年8月合集
生英语 2019年2月合集
习篇
文摘
霸养成计划
2018年8月合集
小课堂 And sometimes things happen to you that may seem horrible, painful and unfair at first, but in reflection you find that without overcoming those obstacles you would have never realized your potential, strength, willpower or heart.
有时候,发生在你身上
事情看似可怕、痛苦和不公平,但仔细一想,你就会发现,如果不克服这些障碍,你就不会意识到自己
潜能、
、意志和决心。
真题精听