记忆方法
将“boundary”分解为“bound”和“ary”，想象“bound”像一堵墙，它界定了一个明确的界限或范围，“ary”则是后缀，表示与...有关的性质。因此，“boundary”可以想象为一堵墙，它代表了界限或边界。
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英语词源
- boundary (n.)
- 1620s, from bound (n.) + -ary.
权威例句
- 1. Just before the town boundary fork left onto a minor road.
- 快到城镇边界时要走岔路的左边一条小路。
- 2. The ball was caught by a fielder standing just inside the boundary.
- 那个球被正站在边界内的守场员接住了.
- 3. A river forms the boundary between the two countries.
- 一条河流成了两国的分界线.
- 4. The boundary between Shanxi and Shaanxi is the Huanghe River.
- 山西和陕西以黄河为界.
- 5. The river is the boundary between the two countries.
- 这条河是两国的界河.