1·A non-productive cough does not expel sputum from the respiratory tract.
干咳指不从呼吸道排出痰液的咳嗽。
2·When we exhale we expel air from our lungs.
当我们呼气的时候，肺将空气排出体外。
3·To accomplish this, Baker and van Deursen designed a fast-aging mouse strain that would, upon receiving a drug trigger, expel p16-producing cells from fatty tissues, muscles and eyes.
为了论证这点，Baker和van Deursen繁殖了一组具有快速衰老基因的实验鼠，在这个过程中，对实验鼠施以药物刺激，从而清除脂肪组织、肌肉和眼睛中含有P16的细胞。
4·Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze.
这些肌肉一旦被刺激，它们就会运动，导致我们强有力的排出口腔和鼻子里面的空气。或者，换句话说就是打喷嚏。
5·The headmaster may expel the boy from the school.
校长可能要把那个男孩从学校开除。
6·One, syrup of ipecac, is a fluid that helps the body expel material from the stomach.
第一种是吐根糖浆，这是一种可以帮助身体将胃里物质排出体外的液体。
7·He tries to explain to them how society can be changed for the better, but they become angry and expel him from their home.
他试图向他们解释社会如何才能变好，但他们变得愤怒，并开除他们的家。
8·We have no alternative but to expel you from the factory.
把你开除厂籍是不得已的事情。
9·To expel air from the lungs suddenly and noisily, often to keep the respiratory passages free of irritating material.
从肺里突然的带有声响地排出气体，通常为了使呼吸道不受物质阻碍。
10·Your apostles expel us from our home and make us homeless.
您的手下把我们赶出家门，使我们成为无家可归的人。