In mouse models of the disease, researchers have discovered that signals from the spinal cord are too weak to reach the diaphragm — the muscle that controls breathing.

科研人员对患有同种模式疾病的老鼠进行的研究表明，从脊髓传来的信号太弱，到不了胸膈膜就消失了，而胸膈膜就是控制呼吸的装置。

youdao

At that time two children were pale and purple lips, breathing is also very weak.

当时两个孩子脸色苍白，嘴唇发紫，呼吸也十分微弱。

youdao

OK, uh… he's breathing… but barely… and his… and his… and his heartbeat is weak…

好，嗯… 他在呼吸… 但很弱…还有他的…他的…他的心跳微弱…

youdao

She started to cough and over the course of a couple of days became weak and had trouble breathing.

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The scheme is designed to protect weak links in the euro zone for the next three years, buying them the breathing space to shore up public finances, clean up banks and retool uncompetitive economies so they can grow again and pay off their debts.

ECONOMIST: Charlemagne