Physical Geography. Of a river or its profile: at grade (see grade, n. 10d); having attained grade.
| 单词 | θ2831 |
| 释义 | the world > the earth > water > rivers and streams > system > [adjective] > profile (1) graded1894 Physical Geography. Of a river or its profile: at grade (see grade, n. 10d); having attained grade. |
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