shear
shear 英 [ʃɪə(r)] 美 [ʃɪr]
vt. 剪；修剪；剥夺 vi. 剪；剪切；修剪 n. [力] 切变；修剪；大剪刀
进行时:shearing 过去式:sheared 过去分词:shorn 第三人称单数:shears 名词复数:shears
- A shear is a cutting implement that looks like a long pair of scissors. Also like scissors, this form of the noun is usually plural. You can cut metal, prune a tree, or cut up a chicken with shears.
- 请先登录
- vt. 剪；修剪；剥夺
- vi. 剪；剪切；修剪
- n. [力] 切变；修剪；大剪刀
-
1. Researchers at the University of Delaware developed shear-thickening fluids for use as liquid armour almost ten years ago.
差不多十年以前，美国特拉华大学的研究人员研制出这种剪切增稠液体用于液体盔甲。
-
2. For a tornado to form, cold air must sit above warm, moist air, and the wind needs to go in different directions at different heights, creating shear forces.
就龙卷风的形成而言，寒冷的空气必须处在暖湿的空气上部，而风应该在不同高度向不同的方向运动，以此创造出剪切力。
-
3. This showed that the early Pliocene had a weakened atmospheric circulation, and therefore, reduced vertical wind shear, which is favorable for tropical cyclone growth.
它表明，上新世早期存在一个被削弱了的大气环流，因此，减少垂直风切变，助长了热带气旋的发展。
- shear (n.) "act of clipping," 1610s, also as a unit of measure of the age of a sheep, from shear (v.). Scientific and mechanical sense "type of strain" is from 1850.
- shear (v.) Old English sceran, scieran (class IV strong verb; past tense scear, past participle scoren) "to cleave, hew, cut with a sharp instrument; cut (hair); shear (sheep)," from Proto-Germanic *skero "to cut" (source also of Old Norse and Old Frisian skera, Dutch scheren, German scheren "to shear"), from PIE root *sker- (1) "to cut."
- 请先登录
0 个回复