| 单词 | 易碎性 |
| 释义 | 〔anneal〕To subject (glass or metal) to a process of heating and slow cooling in order to toughen and reduce brittleness.使退火：给（玻璃或金属）加热并使之慢慢冷却以使之变硬并减少易碎性〔impracticable〕Refloating the sunken ship intact proved impracticable because of its fragility.由于沉船的易碎性使整艘沉船的重新上浮被证明是行不通的 |
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