单词	bitterweed
释义	bitterweed noun bit·​ter·​weed ˈbi-tər-ˌwēd  : any of several American plants containing a bitter substance: such as a : either of two ragweeds: (1) : a low-growing common ragweed (Ambrosia artemissiifolia) (2) : horseweed b : an annual yellow-flowered sneezeweed (Helenium amarum synonym H. tenuifolium) c : an erect annual composite herb (Hymenoxys odorata) of the southwestern U.S. that has yellow flowers and is poisonous to livestock Word History First Known Use 1819, in the meaning defined above
随便看	coniferophytinae coniferophytinas coniferopsidae coniferopsidas coniferous conifers coniferyl alcohol conification coniform coniine coniines coniluri Conilurus coniluruses conilurusses conimae conimas conimata conines coning coning off conins conio- Coniogramme coniogrammes

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