Question

pen n.围栏；监禁；母天鹅 pen (n.3) slang, "prison," 1884, shortening of penitentiary; earlier use (1845) probably is a figurative extension of pen (n.2).pen (n.1) "writing implement," late 13c., from Old French pene "quill pen; feather" (12c.) and directly from Latin penna "a feather, plume," in plural "a wing," in Late Latin, "a pen for writing," from Old Latin petna, pesna, from PIE *pet-na-, suffixed form of root *pet- "to rush; to fly" (see petition (n.)).Latin penna and pinna "a feather, plume;" in plural "a wing;" also "a pinnacle; battlement" (see pin (n.)) are treated as identical in Watkins, etc., but regarded as separate (but confused) Latin words by Tucker and others, who derive pinna from PIE *spei- "sharp point" (see spike (n.1)) and see the "feather/wing" sense as secondary.In later French, this word means only "long feather of a bird," while the equivalent of English plume is used for "writing implement," the senses of the two words thus are reversed from the situation in English. Pen-and-ink (adj.) is attested from 1670s. Pen name is recorded from mid-19c.pen (v.2) "to enclose in a pen," c.1200, from Old English *pennian, from the source of pen (n.2). Related: Penned; penning. pen (n.2) "enclosure for animals," Old English penn, penne, "enclosure, pen, fold," of uncertain origin, perhaps related to Old English pinn "pin, peg" (see pin (n.)) on notion of a bolted gate or else "structure made of pointed stakes."pen (v.1) late 15c., from pen (n.). Related: Penned; penning. 【记】想象用巨型的pen 笔做成的围栏；penalty 刑罚就是关到围栏里监禁起来【相关】pent 是其过去式，过去分词

Accepted Answer

[pen] 【英】 n. 围栏(a small enclosure of animals)；监禁(a small place of confinement)【记】 pen作为'笔'一意大家 都知道【例】 a pen of sheep(一栏羊) n. 雌天鹅【记】源于pen鹅毛笔－雌天鹅【类】sheep: ewe = swan: pen羊和母羊 = 天鹅和雌天鹅

单词	pen
音标	[pen]
解释	n.围栏；监禁；母天鹅
红宝书	【英】 n. 围栏(a small enclosure of animals)；监禁(a small place of confinement) 【记】 pen作为'笔'一意大家都知道【例】 a pen of sheep(一栏羊)
字源	pen (n.3) slang, "prison," 1884, shortening of penitentiary; earlier use (1845) probably is a figurative extension of pen (n.2). pen (n.1) "writing implement," late 13c., from Old French pene "quill pen; feather" (12c.) and directly from Latin penna "a feather, plume," in plural "a wing," in Late Latin, "a pen for writing," from Old Latin petna, pesna, from PIE pet-na-, suffixed form of root pet- "to rush; to fly" (see petition (n.)). Latin penna and pinna "a feather, plume;" in plural "a wing;" also "a pinnacle; battlement" (see pin (n.)) are treated as identical in Watkins, etc., but regarded as separate (but confused) Latin words by Tucker and others, who derive pinna from PIE spei- "sharp point" (see spike (n.1)) and see the "feather/wing" sense as secondary. In later French, this word means only "long feather of a bird," while the equivalent of English plume is used for "writing implement," the senses of the two words thus are reversed from the situation in English. Pen-and-ink (adj.) is attested from 1670s. Pen name is recorded from mid-19c. pen (v.2) "to enclose in a pen," c.1200, from Old English pennian, from the source of pen (n.2). Related: Penned; penning. pen (n.2) "enclosure for animals," Old English penn, penne, "enclosure, pen, fold," of uncertain origin, perhaps related to Old English pinn "pin, peg" (see pin (n.)) on notion of a bolted gate or else "structure made of pointed stakes." pen (v.1) late 15c., from pen (n.). Related: Penned; penning.
不择手段背单词	n. 雌天鹅【记】源于pen鹅毛笔－雌天鹅【类】sheep: ewe = swan: pen羊和母羊 = 天鹅和雌天鹅
趣味全助记	【记】想象用巨型的pen 笔做成的围栏；penalty 刑罚就是关到围栏里监禁起来【相关】pent 是其过去式，过去分词

Pen Latin English Late N Small N.2 Writing