呼吸

• His heart condition makes him short of breath .
  他心脏状况不佳使他呼吸急促。
• It is difficult to breathe at these altitudes .
  在这些高的地方呼吸感到困难。
• His breath was perfectly noiseless .
  他的呼吸是没有声息的。
• But the old folks breathed more easily .
  可是上了年级的人却感到呼吸畅快多了。
• This has been termed the "respiration climacteric" .
  这已称之谓“呼吸转换”。
• He wanted to breathe clean air .
  他希望呼吸一下清新的空气。
• Their breath bloomed the frosty pane .
  他们的呼吸使冰冻的窗玻璃凝上一层雾气。
• He was using his accessory muscles of respiration .
  他在用呼吸辅助肌进行呼吸。
• How long can you hold your breath for ?
  你能屏住呼吸多久？
• The term "respiration" is more than breathing .
  呼吸作用这名词不仅指呼吸而已。