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tundra An area supporting some vegetation (lichens, mosses, sedges and low shrubs) between the northern upper limit of trees and the lower limit of perennial snow on mountains, and on the fringes of the Antarctic continent and its neighbouring islands (在北部上限的树木和常年积雪的下限山区之间的,支持一些植被(如地衣,苔藓,莎草和低矮灌木)的一个地区,它位于南极大陆及邻近岛屿的边缘。) | |||
tundra; xerophorbium |
苔 原 : 20 phrases in 8 subjects |
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Chemistry | 1 |
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Earth sciences | 1 |
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