If something hard, such as a bone, fractures, or is fractured, it breaks or cracks.

She fractured her skull in the accident. 她在事故中颅骨骨折。

Two of her ribs fractured when she was thrown from her horse. 她从马上摔下来，折断了两根肋骨。

A fractured pipe at a steelworks has leaked 20 tons of oil into the Severn estuary. 一家钢铁厂的管道断裂，致使20吨油泄漏，流入塞文河口。

to divide an organization or society, or (of an organization or society) to be divided

Intense disagreement over economic policy risks fracturing the coalition government. 经济政策上的严重分歧使联合政府面临解体的危险。

a break or crack in something hard, especially a bone

He suffered/sustained multiple fractures in a motorcycle accident. 他在一起摩托车事故中多处骨折。

He has a hairline fracture (= a thin broken line in the bone) of the wrist. 他腕部骨裂。