n.(单次给药的)剂量，小团，小丸，(尤指咀嚼后吞咽的)食团

原形：bolus复数：boluses

The patient needs to administer a bolus of insulin before each meal.
病人在每餐前需要注射一剂胰岛素。
A bolus of contrast medium was injected into the patient's bloodstream for the CT scan.
为了进行CT扫描，向病人的血液中注射了一剂造影剂。
Ingestion of a large bolus of food can cause choking.
过量吞咽食物团可能导致窒息。
The doctor recommended taking a vitamin B12 bolus once a month.
医生建议每月服用一次维生素B12大剂量补充剂。
The horse was given a bolus of deworming medication.
给这匹马喂了一剂驱虫药。
A bolus of radioactive material was used to treat the tumor.
使用了一剂放射性物质来治疗肿瘤。
The feeding tube allows for the delivery of liquid nutrition in the form of a bolus or continuous drip.
胃饲管可用于以团状或连续滴注的方式输送液体营养。
To study his digestive system, the patient swallowed a camera contained within a special bolus.
为了研究他的消化系统，病人吞下了一个装在特殊药团内的微型相机。
After feeling lightheaded, she consumed an energy bolus to raise her blood sugar levels.
感到头晕后，她摄入了一剂能量补充剂来提高血糖水平。
In some cases, doctors may recommend administering a calcium bolus during pregnancy to prevent preterm labor.
在某些情况下，医生可能会建议在孕期使用钙剂大剂量补充以防止早产。