breathlessness 

英汉解释

n. 呼吸急促，气喘吁吁

同义词

n. shortness of breath，sob

参考例句

1. He still had the breathlessness of out of doors.
他还有从户外带来的那种急促的呼吸。
2. The closer people live to a main road, the more likely they are to suffer from respiratory symptoms such as breathlessness and wheezing, a new study shows.
一项新的研究报告表明，人们住得离交通要道越近，就越可能出现呼吸障碍的症状，如喘不过气或气喘吁吁。
3. The closer people live to a main road, the more likely they are to suffer from respiratory symptoms such as breathlessness and wheezing, a new study shows.
一项最新的研究表明：人们居住地离主干道越近，患上如喘不上气或呼吸困难此类的呼吸系统疾病的可能性就越大。

英英解释

n.
  1. a dyspneic condition

网络释义

breathlessness
呼吸暂停; 气绝; 呼吸急促; 气喘;
computer ratings of breathlessness
气促的计算机分级;