Do we substitute material possessions for love?
财产能代替爱吗？
Is the traditional heat preservation material new substitute.
是传统保温材料的新替代品。
There is no substitute for studying the original material.
课程纲要是不可替代的学习材料。
Usually made of wood, iron or some substitute material.
通常由木头、铁或某些替代材料制成。
Conclusion: The HA composite material can be use for bone organize substitute material.
结论：该复合材料可作为骨组织替代材料。
Objective: To investigate the biocompatibility of chitin as bone substitute material.
目的：观察几丁质作为植骨材料的生物相容性。
The material is a poor substitute for leather.
这种材料代替皮革很勉强。
Thee material is a poor substitute for leather.
这种材料代替皮革很勉强。
Thee material is a poor substitute for leather.
这种材料代替皮革很勉强。
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