1.Your heart is located between your lungs in the middle of your chest,behind and slightly to the left of your breastbone.
心脏位于胸腔的中部,在两片肺之间,胸骨之后并略微偏左.
2.And is attached by ligaments to your spinal column,diaphragm,and other parts of your body.
通过韧带与脊柱、横隔膜及身体的其他部位相连.
3.A coating of fluid separates the two layers of membrane,letting the heart move as it beats,yet still be attached to your body.
一块弹性膜将两层隔膜分开,使得心脏在跳动并产生位移时,依然能够和身体相连.