托福單詞midcontinental什么意思-midcontinental詞組短語(yǔ)_例句

midcontinental意思

adj.大陸中部的

midcontinental詞組短語(yǔ)

midcontinental region:中央?yún)^(qū)

midcontinental例句

1.It was the midcontinental corridor between two massive ice sheets—the Laurentide to the west—that enabled the southward migration.

正是兩塊巨大的冰原之間的半大陸性質(zhì)的通道——西面的勞倫斯泰德冰原——使人們向南遷移成為可能。

2.It was this midcontinental corridor between two massive ice sheets—the Laurentide to the east and the Cordilleran to the west—that enabled the southward migration.

正是這條位于兩塊巨大冰原之間的大陸中部走廊——東部是月桂樹(shù)冰原，西部是科迪勒蘭冰原——促成了向南的遷移。

3.Recent evidence favors a rival to the long-standing theory that the Americas were colonized 11,000-12,000 years ago by people migrating south from Beringia along a midcontinental ice-free corridor.

最近的證據(jù)支持了一個(gè)與長(zhǎng)期存在的理論對(duì)立的觀點(diǎn)，該理論認(rèn)為，在1.1萬(wàn)至1.2萬(wàn)年前，美洲是由從白令海峽沿中大陸無(wú)冰走廊向南遷移的人殖民的。

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