| 单词 | prevernal | 
| 释义 | > as lemmasprevernal   prevernal adj.  Brit. , U.S. chiefly Ecology occurring in, relating to, or designating a period before spring or very early in spring. ΚΠ 1879    C. Patmore Unknown Eros 13  				O, quick, prævernal Power That signall'st punctual through the sleepy mould The Snowdrop's time to flower. 1905    F. E. Clements Res. Methods Ecol. 321  				Prevernal, pertaining to early spring. 1928    Observer 26 Feb. 22/2  				The impression given by these prevernal flowers. 1960    N. Polunin Introd. Plant Geogr. x. 285  				In temperate forests..the seasonal aspects are apt to be important—in particular the prevernal (i.e. before spring) one of herbs which flower before the shading tree-leaves expand. 1986    Isis 77 420  				C. K. Sprengel..discovered the close relationship of insects and flowers and discerned in some cases (such as dichogamy and prevernal florescences) a providential feeding of insects. < as lemmas | 
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