The library is undergoing a complete refurbishment and will reopen next month.

refurbishment 是名词，由动词 refurbish（翻新、整修）加上名词后缀 -ment 构成。refurbish 本身由前缀 re-（表示"重新"）和 furbish（使光亮、抛光）组成，字面意思是"重新抛光"，引申为"翻新、整修"。 refurbishment 指对建筑物或物品进行全面翻新和改善的过程。