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1·The nib is broken, it can't be used.

这笔尖坏了，使不得了。《新英汉大辞典》

2·The nib is blunted.

钢笔尖戳了。《新英汉大辞典》

3·When almost flat, the nib gives a fat line.

当笔尖几乎平坦时，笔尖会出现粗线。

4·Mice have nib bled all the cheese away.

老鼠一点一点地把干酪都啃光了。

5·Nib trembling joy I am sad about the past.

颤抖的笔尖诉说我喜悦悲伤的过往。

6·The mice have nib bled a hole in the cheese.

老鼠在奶酪上啃出了一个洞。

7·I honestly cannot tell what the nib is made of.

老实讲，我实在说不好这个笔的笔尖是什么做的。

8·The mice have nib bled away part of the cheese.

老鼠把一部分干酪啃吃了。

9·It is a nib.

它是一个钢笔尖。

10·Conclusion: NIB material has good biocompatibility.

结论：NIB材料具有良好的生物相容性。