cardiorespiratory system造句

• This means that an aerobic endurance base is built first in the winter months by developing the capa ? bilities of the cardiorespiratory system ( heart , lungs , blood , blood vessels ) , usually with crosstraining activities such as skiing or running
  这意味着有氧耐力首先在冬季通过对循环系统（心脏，肺，血液，血管）的锻炼打下基础，通常是靠交叉训练，比如滑雪或跑步。