| 单词 | fern |
|---|---|
| 音标 | [fə:n] |
| 解释 | n.羊齿植物，蕨 |
| 红宝书 | 【考】 frond : fern / needle : pine(复叶是厥类植物的叶 子/针叶是松树植物的 叶子) |
| 字源 | fern (n.) Old English fearn, from Proto-Germanic *farno- (cognates: Old Saxon farn, Middle Dutch vaern, Dutch varen, Old High German farn, German Farn), possibly with a sense of "having feathery fronds" and from PIE *por-no-, a root which has yielded words for "feather, wing" (cognates: Sanskrit parnam "feather;" Lithuanian papartis "fern;" Russian paporot'; Greek pteris "fern," pteron "feather"), from root *per- (see petition (n.)). The plant's ability to appear as if from nothing accounts for the ancient belief that fern seeds conferred invisibility. |
| 不择手段背单词 | n. 蕨 【类】frond: fern = needle: pine复叶是蕨类植物的叶子 = 针叶是松树植物的叶子 |
| 趣味全助记 | 【记】音：风，风吹树叶，一种植物 |
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