Now take your rib spreader , crack open he sternum allowing access to the heart.
Now take your rib spreader , crack open he sternum allowing access to the heart.
现在（用骨钎）打开肋骨，胸骨，这样就可以接触到心脏。
Now take your rib spreader , crack open he sternum allowing access to the heart.
现在（用骨钎）打开肋骨，胸骨，这样就可以接触到心脏。