单词	prothallus
释义	prothallus noun pro·​thal·​lus (ˌ)prō-ˈtha-ləs  1 : the gametophyte of a pteridophyte (such as a fern) that is typically a small flat green thallus attached to the soil by rhizoids 2 : a greatly reduced structure of a seed plant corresponding to the pteridophyte prothallus Illustration of prothallus 1 antheridium 2 archegonium 3 rhizoid Word History Etymology New Latin First Known Use 1854, in the meaning defined at sense 1
随便看	Albertist albertite albertites Albertosaurus alberts Albertus Magnus albertustaler albertustalers albertusthaler albertusthalers albertville albertype albertypes albescences albescent albespine albespines albespynes albetad Albi Albian albicore albicores Albigenses albigensian

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