The first composition that was read was one entitled Is this, then, Life?
朗读的第一篇作文的题目是《难道这就是生活吗？》
Our life is by air, water and AD composition.
我们的生活是由空气、水和广告构成的。
Life is a composition of every single day.
生命，是由每一天的生活组成。
Composition of Pipeline steel's microstructure has important influence to material service life and performance.
管线钢内部的微观组织的组成对材料的使用寿命和性能有着重要的影响。
Composition of Pipeline steel's microstructure has important influence to material service life and performance.
管线钢内部的微观组织的组成对材料的使用寿命和性能有着重要的影响。
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