单词	cottonwood
释义	cottonwood /ˈkɒt(ə)nwʊd / noun 1A North American poplar with seeds covered in white cottony hairs. Genus Populus, family Salicaceae: several species, including P. deltoides. Select light and airy woods like white cedar, white pine, cottonwood, poplar, spruce or larch (tamarack).... The genus Populus (poplars, cottonwoods and aspens) contains approx. 30 species of woody plant, all found in the Northern hemisphere and exhibiting some of the fastest growth rates observed in temperate trees. The willows, white oaks, cottonwoods, and pecans that grow here are normally much taller than the oaks of the Cross Timbers forest. 2Any of a number of downy-leaved Australasian shrubs: An evergreen shrub of the buckthorn family (Pomaderris phylicifolia, family Rhamnaceae). A shrub of the daisy family (Bedfordia salicina, family Compositae)..
随便看	get one's feet wet get one's fingers burned/burnt (or burn one's fingers) get one's hands dirty (or dirty one's hands) get one's head down get one's head round (or around) get one's hooks into get one's jollies get one's kit off get one's knickers in a twist get one's leg over get one's nose in front ribophorin ribose riboside ribosomal ribosomal RNA ribosome ribostamycin ribosyl ribozyme rib-ploughing rib-plowing rib-poking rib-rand rib-randing

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