形容词
中文翻译：脆弱的
同义词：
['fragile', 'frail']
例句：
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1. The old building is made of bones, which makes it very fragile.
这座老建筑是用骨头建造的，因此非常脆弱。
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2. The baby's bones are still developing, so they need extra care.
婴儿的骨骼仍在发育中，所以需要额外的照顾。
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3. The bones in the human body are made up of calcium and other minerals, which help to support thebody's structure.
人体骨骼由钙和其他矿物质组成，这些物质有助于支撑身体结构。