Burned patients frequently aspirate after regurgitation of fluids.是什么意思？

Burned patients frequently aspirate after regurgitation of fluids.

烧伤病人常因反胃而液吸.

burned

v. （使）燃烧( burn的过去式和过去分词 )，使用某物为燃料，烧毁，烧坏；

例句
The building housed 1,500 refugees and it burned for hours...
这幢住有1,500名难民的大楼燃烧了好几个小时。

patients

n. 患者( patient的名词复数 )，接受治疗者，受动着，承受者；

例句
...a Code of Practice that would give patients right of access to their medical records.
允许病人查看自己病历的职业准则

frequently

adv. 频繁地，屡次地，往往，动，动辄；

例句
Women frequently say that they feel awkward taking the initiative in sex...
女人们经常说她们不好意思在性生活上采取主动。

aspirate

v. 吸气；

例句
Burned patients frequently aspirate after regurgitation of fluids.
烧伤病人常因反胃而液吸.

after

prep. …后的，（表示时间）在…以后，（表示位置、顺序）在…后面；conj. 在…以后；adv. 以后，继后；adj. 后来的，以后的；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

regurgitation

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例句
Burned patients frequently aspirate after regurgitation of fluids.
烧伤病人常因反胃而液吸.

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

fluids

n. 液体，流体( fluid的名词复数 )；

例句
For diarrhea, physicians may prescribe antidiarrheal medication, antibiotics, intravenous fluids or changes in diet.
对腹泻医生可能会开止泻药 、 抗生素 、 静脉补液或调整饮食.