He gave an involuntary smile.
他不由自主地笑了一下。
;
故意, 志愿;, 无意识;;;
;,无心,无意识;;He gave an involuntary smile.
他不由自主地笑了一下。
Meg gave an involuntary exclamation.
梅格不由自主地叫了起
。
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.
维镜下观察，平滑肌无横纹状结构，平滑肌不随人
意志收缩，故称不随意肌
横纹肌。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件观点；若发现问题，欢迎向我们指正。
