单词 | boulder-train |
释义 | > as lemmasboulder-train boulder-train n. boulders deposited by the melting of a glacier. ΘΚΠ the world > the earth > structure of the earth > structural features > deposited by water, ice, or wind > [noun] > glacial trail1866 valley train1892 sandr1893 ice contact1896 postglacial1928 boulder-train1967 the world > the earth > structure of the earth > structural features > boulder, pebble, or stone formation > [noun] > boulder formation boulder-formation1845 boulder-drift1876 boulder-pavement1894 boulder-train1967 1967 Oceanogr. & Marine Biol. 5 135 Boulder trains between drumlins along the New England coast are effective means of such protection. < as lemmas |
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