| 单词 | leaf bed |
| 释义 | > as lemmasleaf bed leaf bed n. a layer or bed of leaves or leaf debris; (Geology) a stratum of fossilized leaf remains. ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > stratum by constitution > organic remains or fossils moorlog1655 coal plant1695 leaf bed1697 plant bed1784 oyster bed1833 stem-bed1853 forest-bed1861 starfish bed1861 fish-bed1869 insect-bed1893 lagerstätte1972 1697 L. Meager New Art of Gardening 100 You may raise them [sc. Colliflowers] on your Leaf Beds in the Spring. 1824 Trans. Hort. Soc. London 5 225 The perpetual ingress of warm air, even without an internal leaf bed, will prove sufficient to preserve Pine Apple plants. 1850 Edinb. New Philos. Jrnl. 49 351 The following horizontal beds:..2. A thin laminated stratum containing fossil leaves; 3. Volcanic ashes; 4. A second leaf-bed. 1954 S. Piggott Neolithic Cultures Brit. Isles x. 295 ‘Leaf bed’ with no large vegetable remains, 3–4 ft. thick. 2005 Florida Times-Union (Nexis) 30 Sept. su27 The larvae are beneficial because they help decompose organic matter in the leaf beds where they live. < as lemmas |
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