单词	primary root
释义	primary root noun : the root of a plant that develops first and originates from the radicle see seedling illustration Example Sentences Recent Examples on the Web For some time now, it’s been established that the primary root of SARS-CoV-2 transmission is airborne. William A. Haseltine, Forbes, 2 May 2022 The primary root cause of humanitarian migration from Central America is the U.S. government. Felipe De La Hoz, The New Republic, 1 Apr. 2021 Arabidopsis thaliana, a small flowering plant that is often used by biologists for plant research, is the star of this video by Daniel von Wangenheim, which shows a new root growing laterally off a primary root. Scientific American, 16 Mar. 2021 Word History First Known Use 1877, in the meaning defined above
随便看	countercurrent countercurrently countercurrents countercyclical countercyclically counterdemand counterdemands counterdemonstrate counterdemonstrated counterdemonstrates counterdemonstrating counterdemonstration counterdemonstrations counterdemonstrator counterdemonstrators counterdeployment counterdeployments counterdike counterdisengage counterdisengagement counterdrawing counterdrawn counterdraws counterdrew counterearth

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