回答

・highly complete
・be highly finished

「完成度很高」在英語中可以用 highly complete或者 be highly finished 來表達。

This work is highly complete.
（這件作品的完成度很高。）

His improvisational raps are so highly finished that it's hard to believe they're improvised.
（他的即興詩歌創作完成度很高，精緻到難以相信這是即興創作的。）

有幫助｜0