走快或上楼梯时，他总是气促的。—。
He always becomes short winded when walking hastily or going up stairs.
“我们对什么在推动这一冰融尚无明确的认识，因为大气促成的-表面温度-还没有热到足以导致如此的冰融，”他补充说。
"We have not had a clear understanding of what is driving this melting because the atmospheric forcing - the temperature at the surface - is not warm enough to cause such a melting," he added.
当栓子的数量超出心脏的承受能力后，就会引起气促或胸痛（心绞痛）等症状。
Blockages can become severe enough to cause symptoms such as shortness of breath or chest pain (angina).
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