| 释义 |
be bounded by sth if a country or area of land is bounded by something such as a wall, river etc, it has the wall etc at its edge以某物为界:•a yard bounded by a wooden fence用木栅栏围起来的一个院子•The US is bounded in the north by Canada and in the south by Mexico.美国北面与加拿大接壤，南面与墨西哥毗邻。 |