| 词组 | boundary |
| 释义 | 注意与一些动词的搭配: push back the boundaries extend the boundaries cut across the boundaries cross the boundaries define the boundaries overstep the boundaries mark the boundaries form the boundaries stay within the boundaries attain the boundaries clarify the boundaries |
| 随便看 |
英语用法大全包含3679条英语用法指南，基本涵盖了全部常用英文词汇及语法点的翻译及用法，是英语学习的有利工具。