翻译:it pumps blood in and out through these doors by changing the size of the rooms so that th...翻译:it pumps blood in and out through these doors by changing the size of the rooms so that the doors open and shut
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/29 20:42:24
翻译:it pumps blood in and out through these doors by changing the size of the rooms so that th...翻译:it pumps blood in and out through these doors by changing the size of the rooms so that the doors open and shut
翻译:it pumps blood in and out through these doors by changing the size of the rooms so that th...
翻译:it pumps blood in and out through these doors by changing the size of the rooms so that the doors open and shut
翻译:it pumps blood in and out through these doors by changing the size of the rooms so that th...翻译:it pumps blood in and out through these doors by changing the size of the rooms so that the doors open and shut
(心脏)它通过改变这些腔室的大小将血液泵进或者泵出这些门,这样打开或关闭门.
通过改变房间的大小从这些门里面收进和迸出血液,所以门开了又关。。。
句子还没完
还有问题可以问我~~
血液泵和通过这些门通过改变大小的房间,门打开和关闭