trachea例句
An appropriate - size tube is chosen to fit the
trachea.
选用与气管大小相仿的管子.
The
trachea in some patients is difficult or impossible to intubate under any circumstances.
有的病人的气管在任何情况下都是很难、或根本不可能插管的.
Conclusion Saber sheath
trachea is a sign of rather severe COPD.
结论剑鞘气管是较重的copd的标志.