n.改良；改進(jìn)

動(dòng)詞improve的現(xiàn)在分詞形式.

We thank you for your support at improving the protection. 我們衷心的感謝您對(duì)我們產(chǎn)品的改良的支持。

He is certainly improving in his spelling. 他的拼寫(xiě)大有改進(jìn)。

We should work on improving our tourism industry. 我們應(yīng)該努力改進(jìn)我們的旅游業(yè)。