| 单词 | heart tie |
| 释义 | heart tienoun : a railroad crosstie with sapwood one fourth or less the width of the tie at the top measured at a point 20 inches to 40 inches from the middle of the tie |
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。