| 单词 | gradient |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔STRAIGHT〕The Chin tracks in India follow the most direct line between villages, regardless of gradient. 印度的钦人小路，即使有上下坡，走的也是村庄与村庄之间最直接的路线。朗文写作活用〔chemotaxis〕The characteristic movement or orientation of an organism or cell along a chemical concentration gradient either toward or away from the chemical stimulus.趋化性：组织或细胞在化学集中上朝向或远离化学刺激的特殊运动或定位作用美国传统〔crosshatch〕Abrupt gradients on the map are indicated by crosshatch.地图上陡峭的坡道用交叉排线表示。英汉大词典〔grader〕A piece of heavy equipment used to level or smooth road or other surfaces to the desired gradient.压路机：用来平整道路或其它表面以达到预期的坡度的一种重型设备美国传统〔grade〕To level or smooth to a desired or horizontal gradient.减少坡度：使…平整或光滑到一个预期的或水平的梯度美国传统〔gradient〕The courses are long and punishing, with steep gradients.这些赛道既长又有陡坡, 极具挑战性。外研社新世纪〔gradient〕The courses are long and punishing, with steep gradients.这些赛道既长又有陡坡，极具挑战性。柯林斯高阶〔gradient〕The field was on a slight gradient.场地在一个缓坡上。牛津搭配〔gradient〕The hill has a gradient of 1 in 5.这座小山的坡度为1比5。外研社新世纪〔gradient〕The road has a fairly steep gradient.这条路坡度相当大。牛津搭配〔gradient〕Trains come up a steep gradient to the station.火车开上通向车站的陡坡。外研社新世纪〔halocline〕A vertical gradient in ocean salinity.（海洋的）盐度跃层：海水盐度竖直梯度变化明显的水层美国传统〔incline〕An inclined surface; a slope or gradient.斜面；斜坡或斜道美国传统〔morphogen〕Any of various chemicals in embryonic tissue that influence the movement and organization of cells during morphogenesis by forming a concentration gradient.构形素，定形素：在形态发生过程中通过形成浓度梯度从而对细胞的运动和组织产生影响的胚胎组织中多种化学品的任何一种美国传统〔pump〕Physiology To transport (ions or molecules) against a concentration gradient by the expenditure of chemically stored energy.【生理学】 输送：通过消耗以化学形式储存的能量把（离子或分子）输送到一个集中倾斜度美国传统〔stride〕On a gradient the stride should be shortened.在坡道上应把步距收短。英汉大词典The gradient of the road is 1 in 6 (= the road rises or falls 1 unit of length in every 6 units of length horizontally).这条路的倾斜度是6比1。剑桥国际The hill is high, but it isn't difficult to climb because the gradient of the path is very gentle (= the path slopes gradually).这山挺高，但并不难爬，因为这路的坡度并不陡。剑桥国际This part of the railway track has quite a steep gradient.这一段铁路有一个较陡的坡度。剑桥国际 |
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