bolus
noun /ˈbəʊləs/
/ˈbəʊləs/
- (medical
) a single amount of a drug that is given at one time医学 synonym dose(单次给药的)剂量 - (specialist) a small round mass of a substance, especially food that has been chewed to make it soft before it is swallowed
小团;小丸;(尤指咀嚼后吞咽的)食团
词源mid 16th cent. (denoting a large pill): via late Latin from Greek bōlos ‘clod’.