| 单词 | cave-in |
| 释义 | > as lemmascave-in cave-in n. ΘΠ the world > movement > motion in a certain direction > downward motion > falling > [noun] > collapsing > inwards caving1809 cave-in1884 1884 Boston (Mass.) Jrnl. 6 Sept. The most extensive cave-in that has occurred in this region for years, nearly one hundred acres of ground settling from four to six feet. [‘Common in Suffolk.’ F. Hall.] < as lemmas |
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