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| 单词 | rain print |
| 释义 | > as lemmasrain print rain print n. Geology a small crater-like indentation found in certain types of rock which has the appearance of having been formed by the landing of a raindrop. ΚΠ 1851 C. Lyell in Q. Jrnl. Geol. Soc. 7 238 We observed some very distinct rain-prints on ripple-marked shales. 1920 F. W. Emerson Agric. Geol. 1 By these fossil rain prints and stream marks we know that this rock was accumulated near an ancient beach. 1997 Sedimentary Geol. 112 45/2 The mudstones have undergone intensive pedogenic modification, and some beds contain rain prints and reptile trackways. < as lemmas |
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