improver

/im-proo-ver/US // ɪmˈpru vər //

改善者,改进者,改善剂,改进型

Definitions

n.名词 noun

1
- : a person or thing that improves.
- : a substance or agent added to improve a food, especially as a preservative.

We may fairly assume the presence here of one or two, if not more, assistants, besides a pupil or improver.
The advent of man marks the improver of creationGod made manifest in the flesh.
This shows us Beethoven in a new character—that of an improver of the pianoforte.
Sheridan, as an improver of the language, stands among the first writers of the British nation, and deservedly.
Yet the old road, half deserted as it is, has not altogether escaped the ruthless hand of the improver.