二元酸的英文：diacid参考例句：dibasic acid二元酸dibasic acids can form acid salts二元酸能形成酸式盐。diacid是什么意思：二酸; 二元酸...
二元论的英文：dualism参考例句：It leaves us with a dualism of properties, or qualities, that is just as baffling在特征和性质方面仍存在二元论，也同样令人迷惑不解。The view that the world c...
二元函数的英文：bivar functionfunction是什么意思：n. 官能，机能；功能；职责，职务；函数 v. 工作；活动；运转，运作；起作用function requester功能请求者 norm functional范数泛函 The divergence of a vector func...
二元的英文：duality参考例句：Containing two replaceable hydrogen atoms.二元的含有两个可取代的氢原子的A binary compound of boron with a more electropositive element or radical.硼...
二乙酰丙酮氯化锗的英文：AAGC, diacetyl acetone germanium chloridediacetyl是什么意思：n. [化]联乙醯acetone是什么意思：n. 丙酮DOT regulations control the amount of acetone and acetyl...
二氧化碳的英文：carbon dioxide参考例句：Carbon dioxide fertilization;carbon-dioxide manure二氧化碳施肥Carbon dioxide does not support life and may produce immediately ha...
二选一的英文：either-oreither是什么意思：adj. 两者之中任一的pron. 任何一个adv. 也，而且conj. 或者You may go by either road. 你两条路都可以走。There is a door at either end of the corridor.走...
二项式的英文：binomialbinomial是什么意思：a. 二项的,二项式的,二种名称的n. 二项式,二种名称This is nothing but the binomial expansion.这不过是二项展开式。The binomial coefficients are ubiquitous...
二线城市的英文：second tier citysecond是什么意思：adj. 第二的；第二次的；次要的adv. 以第二位n. 秒；第二名v. 支持，赞同the second in command副司令员 grounded to the second baseman.打到二垒手位置的滚地球 Dow...
二维的英文：two-dimension参考例句：Change to Shape Viewport改变到二维视图A square is two-dimensional and a cube is three-dimensional.正方形是二维的(平面的),而正六面体则是叁维的(立体的)The pla...