电镜下可见胞质中出现空泡样结构，细胞染色质浓集于核膜内侧并裂解成碎块状；
Under electron microscope, chromatin gathered along the inside of the nuclear membrane, vacuole bodies appeared.
把巧克力掰成碎块放进碗里；连碗放入平底锅，用半开的水煨至熔化。然后取出，冷却5分钟。
Break the chocolate into squares and melt in a bowl over a pan of barely simmering water. remove from the heat and leave to cool for5minutes.
把磁铁砸成更短小的碎块时，我们得到的仍然是一些完整的磁铁。
On breaking the magnet into still shorter pieces we still get complete magnets.
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