spiral

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英 ['spa?r(?)l] 美['spa?r?l]

n. 螺旋；旋渦；螺旋形之物
adj. 螺旋形的；盤旋的
vt. 使成螺旋形；使作螺旋形上升
vi. 盤旋；成螺旋形；螺旋形上升（過(guò)去式spiraled/spiralled，過(guò)去分詞spiraled/spiralled，現(xiàn)在分詞spiraling/spiralling，第三人稱單數(shù)spirals，副詞spirally）

CET6TEM4IELTS考研TOEFL中低頻詞擴(kuò)展詞匯

詞態(tài)變化

復(fù)數(shù):?spirals;第三人稱單數(shù):?spirals;過(guò)去式:?spiralled;過(guò)去分詞:?spiralled;現(xiàn)在分詞:?spiralling;副詞:?spirally;

助記提示

1. 諧音“死掰螺”。

中文詞源

spiral 螺旋的，螺旋式的

來(lái)自拉丁語(yǔ) spipralis,旋轉(zhuǎn)的，螺旋的，來(lái)自 spira,線圈，繞圈，來(lái)自 PIE*sper,轉(zhuǎn)動(dòng)，旋轉(zhuǎn)，可能來(lái)自 PIE*spen,彎，轉(zhuǎn)，紡織，詞源同 spider,spin.

英文詞源

spiral: spiral: [16] Spiral comes via French spiral from medieval Latin spīrālis ‘coiled’, a derivative of Latin spīra. This in turn went back to Greek speira ‘coil’. English also acquired the noun, as spire [16], which is used for the ‘tip of a spiral shell’. It is not the same word as the spire of a church [OE], which originally meant ‘stalk, stem’, and may go back ultimately to the base *spī- (source of English spike ‘pointed flower head’ and spine). The spiraea [17] is etymologically the ‘coiled’ plant; and spiraea in turn was used to form the term aspirin.
=> aspirin, spiraea
spiral (adj.): 1550s, from Middle French spiral (16c.), from Medieval Latin spiralis "winding around a fixed center, coiling" (mid-13c.), from Latin spira "a coil, fold, twist, spiral," from Greek speira "a winding, a coil, twist, wreath, anything wound or coiled," from PIE *sper-ya-, from base *sper- (2) "to turn, twist." Related: Spirally. Spiral galaxy first attested 1913.
spiral (v.): 1726 (implied in spiraled), transitive, from spiral (n.). Intransitive use by 1834. Transferred and figurative sense by 1922. Related: Spiraling.
spiral (n.): 1650s, from spiral (adj.). U.S. football sense is from 1896. Figurative sense of "progressive movement in one direction" is by 1897. Of books, spiral-bound (adj.) is from 1937.

雙語(yǔ)例句

1. The process is not a circle but rather a spiral.: 這個(gè)過(guò)程不是一個(gè)圓周運(yùn)動(dòng)而是螺旋上升型的。

2. The spiral of terrorism becomes never-ending.: 恐怖主義活動(dòng)沒完沒了，不斷升級(jí)。

3. The birds circled in a slow spiral above the house.: 鳥兒在房子上空緩緩盤旋。

4. Her hair was styled into a cascade of spiral curls.: 她的頭發(fā)被做成了瀑布般的螺旋形鬈發(fā).