男女精品视频_黄网站免费在线_一区二区三区精品_51ⅴ精品国产91久久久久久_国产91在线免费观看_日韩中文字幕一区二区

joist

英 [d???st] 美[d???st]
  • n. 托梁;擱柵
  • vt. 為…架擱柵;為…裝托梁
  • n. (Joist)人名;(德)約伊斯特

擴展詞匯

詞態變化


復數:?joists;

中文詞源


joist 托梁

來自古法語giste,橋梁支撐梁,托梁,來自拉丁語iacere,扔,投擲,引申詞義躺,擱,詞源同gist,jet,gist.

英文詞源


joist
joist: [14] Etymologically, a joist is a wooden beam on which boards ‘lie’ down. The word’s ultimate ancestor is the Latin verb jacēre ‘lie down’ (from which English also gets adjacent). Its neuter past participle jacitum was taken into Old French as a noun, giste, which denoted a ‘beam supporting a bridge’ (its modern French descendant, g?te ‘home’ – that is, ‘place where one lies down’ – is currently infiltrating English). Middle English took over the Old French word, which from the 15th century gradually began to change to joist.
=> adjacent
joist (n.)
early 14c. (late 13c. in Anglo-Latin), from Old French giste "beam supporting a bridge" (Modern French g?te), noun use of fem. past participle of gesir "to lie," from Latin iacere "to lie, rest," related to iacere "to throw" (see jet (v.)). Notion is of wooden beam on which boards "lie down."

雙語例句


1. The transverse diaphragm is very similar in appearance to the conventional bar joist.
橫梁很相似于通常的鋼筋擱柵.

來自辭典例句

2. A triangular metal bracket used to strengthen a joist.
用于加固托梁的金屬板.

來自互聯網

主站蜘蛛池模板: 欧美国产精品一区二区三区 | 中文字字幕一区二区三区四区五区 | 国产黄色在线 | 国产一区中文 | 影音先锋中文字幕在线观看 | 国产自产c区| 在线免费观看视频黄 | 精品视频一区二区 | 日本精品一区二区三区在线观看视频 | 99国产精品99久久久久久粉嫩 | 欧美日韩精品一区二区三区视频 | 激情在线视频 | 欧美日韩一二三区 | 国产精品免费大片 | 欧美日韩成人在线 | 韩日有码 | 欧美三级视频在线观看 | 久艹av | 欧美一区二区三区精品免费 | www.色午夜.com | 亚洲精品久久久久中文字幕欢迎你 | 国产精品久久久久久久久久久新郎 | 成人在线精品 | 99久久婷婷国产亚洲终合精品 | 久久91 | 久久久性 | 免费成人在线网站 | 欧美xxxⅹ性欧美大片 | 91精品国产一区二区三区 | 欧美一级久久 | 精品国产欧美日韩不卡在线观看 | 在线视频一区二区 | h视频免费在线观看 | 国产精品2 | 精品欧美一区二区久久久伦 | 日韩在线免费 | 久久成人激情 | 国产精品夜色一区二区三区 | 日韩成人在线播放 | 亚洲国产一区二区在线 | 最新国产精品精品视频 |