英语词典
The elders bone is brittler than the youth because of the calcium lost.
老年人的骨头因为钙质流失,会比年轻人更。
互联网摘选
But fiber volume fraction are raised via elevating molding pressure, when the molding pressure are too high the fibers will be damaged seriously, the composites will become brittler and show poor mechanical properties as a result.
但是纤维体积分数的增加要通过提高模压压力来实现,当模压压力过大时,纤维出现机械损伤,复合材料变脆、力学性能降低。
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