Healthy Heart
课程：英文每日故事（中级） · 英文练习
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练习内容
Healthy Heart\nThump. Thump. That is the sound of your heart beating.\nWhat an amazing muscle! It works all day. It works all night.\nYour heart pumps blood to all the parts of your body. It pumps blo
课程：英文每日故事（中级） · 英文练习
-
Healthy Heart\nThump. Thump. That is the sound of your heart beating.\nWhat an amazing muscle! It works all day. It works all night.\nYour heart pumps blood to all the parts of your body. It pumps blo