| 单词 | year ring |
| 释义 | > as lemmasyear ring year ring n. each of the concentric rings in the wood of a tree formed by its growth in successive years; cf. sense 4c, ring n.1 7d. [Compare German Jahrring, Jahresring (second half of the 18th cent. or earlier).] ΘΚΠ the world > plants > part of plant > part of tree or woody plant > wood > [noun] > ring or layer insertion1624 ring1664 annual ring1672 year1708 year ring1845 growth ring1907 tree-ring1919 1845 Chemist 6 91/2 (heading) On the year rings in trees. 1920 Bot. Gaz. 69 190 This preliminary paper discusses the many varied properties of these different woods, with regard to..presence or absence of year-rings. 2004 Plant Ecol. 174 2/2 The National Forestry Bureau conducted a year ring survey in 1930. < as lemmas |
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