星状断口,菊花状断口

rosette fracture的用法和样例：

例句

It is brittle and breaks with a conchoidal fracture surface.性脆，具贝壳状断口。

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This is the VOA Special English Health Report. The medical term for a broken bone is a fracture. But there are different kinds of fractures. X-ray of a fracture A single fracture is when a bone is broken in just one place. You may have heard the ter

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Drinking more than three glasses of milk a day may not protect bones against breaking - and may even lead to higher rates of death, say researchers. A new study suggests certain types of sugars found in milk may increase inflammation and oxidative st

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