当材料断裂，荚囊就会打开并释放出修复介体，介体变成实体的复合物填补裂缝从而恢复材料的特性。
When the polymer cracks, the capsules break open and release the healing agent, which becomes polymer solid and seals the crack and restores the material's properties.
数周之后，转会窗将打开，这位法国人已经暗示说他将寻找一个新球员，来填补范佩西长期缺席留下空缺。
The transfer window swings open in a few weeks and the Frenchman has already indicated that he will be looking for a new recruit to fill the void left by Robin Van Persie's long-term injury.
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