英语词汇“valley train”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

> as lemmas

valley train

valley train n. Physical Geography a deposit of glacial outwash along a valley bottom.

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

1892 Ann. Rep. State Geologist 1891 (Geol. Survey New Jersey) 96 The drift thus deposited in a valley has sometimes been called a valley train of sand and gravel.

1954 W. D. Thornbury Princ. Geomorphol. xv. 377 Study of the valley trains extending down from the Alps led Penck and Brückner to a recognition of four stages of glaciation.

1974 Encycl. Brit. Micropædia VII. 636/3 When confined within valley walls, the outwash deposit is known as a valley train.

extracted from valleyn.

as lemmas

单词	valley train
释义	> as lemmas valley train valley train n. Physical Geography a deposit of glacial outwash along a valley bottom. 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 1892 Ann. Rep. State Geologist 1891 (Geol. Survey New Jersey) 96 The drift thus deposited in a valley has sometimes been called a valley train of sand and gravel. 1954 W. D. Thornbury Princ. Geomorphol. xv. 377 Study of the valley trains extending down from the Alps led Penck and Brückner to a recognition of four stages of glaciation. 1974 Encycl. Brit. Micropædia VII. 636/3 When confined within valley walls, the outwash deposit is known as a valley train. extracted from valleyn. < as lemmas
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