aspirator

例句：

1. 1.The doctor uses an aspirator to remove the blood clot from her lung.
   医生使用吸入器将她的肺部的血块吸出。
2. 2. The patient needs a suction apparatus to help him breathe more easily.
   病人需要一台吸引器来帮助他更容易地呼吸。
3. 3. The nurse used a suction device to clear the airway of mucus.
   护士使用一个吸引器清除气道中的黏液。