发育异常的三尖瓣阻碍了贫氧血(兰)由此通过从右心房到右心室再到肺里。

Improper development of the tricuspid valve prevents oxygen-poor (blue) blood from passing from the right atrium to the right ventricle and on to the lungs as it should.

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正常情况下，贫氧血(色)全身回到右心房，进入右心室，然后被泵出经过肺动脉进入肺，在这里接受氧气。

Normally, oxygen-poor (blue) blood returns to the right atrium from the body, travels to the right ventricle, then is pumped through the pulmonary artery into the lungs where it receives oxygen.

youdao

正常情况下，贫氧血(色)全身回到右心房，进入右心室，然后被泵出经过肺动脉进入肺，在这里接受氧气。

Normally, oxygen-poor (blue) blood returns to the right atrium from the body, travels to the right ventricle, then is pumped through the pulmonary artery into the lungs where it receives oxygen.

youdao