心脏
a hollow muscular organ that pumps the blood through the circulatory system
示例:• The doctor listened to her heart with a stethoscope.医生用听诊器听了她的心跳。• Regular exercise strengthens the heart.规律运动能强健心脏。同义词:pumpticker
heart 是什么意思？
心脏
a hollow muscular organ that pumps the blood through the circulatory system
示例:• The doctor listened to her heart with a stethoscope.医生用听诊器听了她的心跳。• Regular exercise strengthens the heart.规律运动能强健心脏。同义词:pumpticker