two n. (pl. twos) 1.两人;两个东西,一对。 2.二的记号。 3.两点钟。 4.两岁。 a total of two 总数两个。 one or two 一两个,少数。 Two heads are better than one. 三个臭皮匠胜过诸葛亮。 two bits 〔美俚〕两角五分。 T- of a trade seldom agree. 同行是冤家。 Two's company, three's none. 两好三别扭。 That's a game that two can play. = T- can play at that game. 互不相让;一个能打一个能还;一报还一报。 a day or two 一两日。 at two 在两点钟。 by twos and threes 三三两两;零星地。 in two 为俩。 in two twos 〔口语〕立刻,一转眼 (The business was over in two twos. 工作一转眼之间就好了)。 put two and two together 根据情况推论。 two and two = two by two 两个两个。 two by four = two-by-four. two-fifty grand 〔美国〕二十五万元。 two party line 【电学】两户合用线。 two-to-one shop 当铺。 two whoop and a holler 〔美国〕不远的地方,很短的距离。 n. -ness
Two moles of epoxy react with one mole of a-1100 . 两个克分子环氧与一个克分子A1100反应。
Two moles of epoxy react with one mole of a - 1100 两个克分子环氧与一个克分子a 1100反应。
Yet the bosses continue to push until the wall is about fall . the idea of the two moles is both striking and fresh . however , the film landed on one major problem , predictability 杜汶泽的表现可以说是脱胎换骨,比之前演出的那些片子时进步许多了,最后死掉时的那幕让人印象深刻。
Under alkaline conditions , one mole of taed reacts with two moles of the perhydroxyl anion to form one mole of daed and two moles of peracetate anion 在水碱性条件下, 1摩尔taed与2摩尔全氢化氧阴离子反应生成1摩尔taed和2摩尔过乙酸阴离子,过乙酸阴离子起低温漂白和抗微生物作用。
Under alkaline conditions , one mole of taed reacts with two moles of the perhydroxyl anion to form one mole of daed and two moles of peracetate anion . its by - product daed is non - toxic , non - sensitizing , and biodegrades into carbon dioxide , water , ammonia and nitrate 在水碱性条件下, 1摩尔taed与2摩尔全氢化氧化物阴离子反应生成1摩尔daed和2摩尔过乙酸阴离子,过乙酸阴离子可促使漂白剂在低温下发生作用并且也可抗微生物。