Fragmentation is what happens when a whole breaks, or is broken, into many small separate parts that no longer belong together.

Fragmentation分裂／碎片化 is what happens指的是所發生的狀況 when a whole breaks, or is broken當一個整體破裂、或被打碎, into many small separate parts成許多不再相連的小碎片 that no longer belong together（同上）。

In newspapers and politics it often carries a frown: the fragmentation of a party, of a community, of attention — the speaker wishes it had stayed one. That is the disapproving use you are asked to learn.

In newspapers and politics在報紙和政治語境裡 it often carries a frown這個字常常帶著皺眉的語氣: the fragmentation of a party, of a community, of attention一個政黨的分裂、一個社群的分裂、注意力的分散 — the speaker wishes it had stayed one說話者其實希望它維持原本的整體。That is這就是 the disapproving use帶有不贊同語氣的用法 you are asked to learn你需要學的。

Though actually, the same word is also a calm technical word. Computer people talk about disk fragmentation (files stored in scattered pieces). Soldiers talk about fragmentation grenades. Biologists talk about habitat fragmentation (a forest cut into patches). Those uses are a description, not always a complaint.

Though actually不過其實, the same word同一個字 is also a calm technical word也可以是很中性的技術用語。Computer people電腦相關的人 talk about會講 disk fragmentation磁碟碎片化 (files stored in scattered pieces檔案被分散儲存成許多小片段)。Soldiers軍人 talk about會講 fragmentation grenades破片手榴彈。Biologists生物學家 talk about會講 habitat fragmentation棲地破碎化 (a forest cut into patches森林被切割成一塊塊)。Those uses這些用法 are a description只是在描述狀況, not always a complaint不一定是在抱怨。

The verb is fragment; this noun names the process or the result. It sounds formal. Everyday English might just say breaking up or splitting apart.

The verb is fragment動詞是fragment; this noun這個名詞 names the process or the result指的是這個過程或結果。It它 sounds formal聽起來很正式。Everyday English日常英文 might just say可能就直接說 breaking up or splitting apart breaking up或splitting apart。