单词	blackthorn
释义	blackthorn noun black·​thorn ˈblak-ˌthȯrn  : a European spiny plum (Prunus spinosa) with hard wood and small white flowers Example Sentences Recent Examples on the Web Hedges, mostly hawthorn and blackthorn, are a distinctive feature of the British countryside. Sam Knight, The New Yorker, 10 Feb. 2020 Thorny scrub — hawthorn, blackthorn, dog rose and bramble — punched through fields that, only a few years earlier, were maize and barley as far as the eye could see. Isabella Tree, Time, 3 Oct. 2019 Word History First Known Use 14th century, in the meaning defined above
随便看	attention deficit disorder attention deficit hyperactivity disorder attention line attention span attention-deficit disorder attention-deficit hyperactivity disorder attention-getter attention-getters attention-grabbing attentional attentions attentive attentively attentiveness attentivenesses attenuants attenuate attenuated attenuates attenuating attenuation attenuation constant attenuation factor attenuations attenuator

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