“pin knot”的概念、定义、翻译、参考文献-科学参考

单词	pin knot
释义	pin knot [`pin ´nät] ^MATERIALS A small knot with a diameter of 0.5 inch (1.3 centimeters) or less occurring in a wood board.
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科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。