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一定重量
1、certain extent───一定程度；某种程度
2、certain criteria───特定标准（criteria是criterion的复数形式）；某些标准（criteria是criterion的复数形式）
3、certain───pron.某些；某几个；n.(Certain)人名；(葡)塞尔塔因；(法)塞尔坦；adj.某一；必然的；确信；无疑的；有把握的
4、certain level───某一水平
5、certain n───确定n
6、certain standards───某些标准
7、certain situations───确定的情况
8、weight───n.重量，重力；负担；砝码；重要性；vt.加重量于，使变重；n.(Weight)人名；(英)韦特；(捷)魏格特
9、certain field───特定领域
1、The medicine compound is prepared from cranberry extract, kiwifruit extract, cassia seed, medlar and vitamin A by a certain weight ratio.───该药物组合物是由越橘提取物、猕猴桃提取物、决明子、枸杞、维生素A按一定重量配比制备而成。
2、Generally it is specified that when the Al ingots rolled achieve a certain weight the rollers must be circularly ground.───一般规定当压延铝锭达到一定重量时要对压延轧辊进行圆磨。
3、Being scandalous and forbidden, they gave me a lot of trouble, of course-but, for the same reason, they gave me a certain weight in the eyes of my readers.───由于受到诽谤和禁读，作品给我带来极大的麻烦，当然——也正是因为这同一理由，在我的读者心目中得到了一定的重视。
4、Analysts shave suggested imposing a 'fat tax' on passengers above a certain weight to cope with demands from larger passengers.───有分析建议对超过一定体重的乘客征收收“肥胖税”来应对体形较大的旅客需求。
5、I am also aware, there is a bottleneck to lose weight, when reduced to certain weight, the less it is difficult to continue.───我还觉察，减肥有个瓶颈，当减到一定体重之后，再继续减就很难。
6、The drink is confected by fresh coconut milk, dairy products, sugar, a stabilizer and water according to a certain weight proportion.───该饮品由鲜椰乳、乳制品、糖、稳定剂和水按一定的重量配比组合而成。
7、The medicine is mainly made up of Semen Cassiae, chrysanthemum, Salvia miltiorrhiza and hawthorn according to certain weight ratio.───该药物主要由决明子、菊花、丹参和山楂按一定的重量配比制备而成。
8、A float selected to provide a certain weight, and chemical resistance to the fluid.───花车选择，以便提供一定的体重，耐化学性的液体。
9、Each pill is a certain weight, except for contaminated pills contained in one jar, where each pill is weight + 1.───每粒药丸的重量是固定的，不过其中有一瓶药受到了污染，药丸的重量发生了变化，每个药丸增加了一点重量。
1、A near space platform station is the tried aerocraft that can quasi-stationarily fly for a long time in the near space area and can bear a payload with certain weight and size.
2、The pharmaceutical composition is prepared with the following raw materials according to a certain weight ratio: lecithin, taurine, flaxseed oil and vitamin E.
3、Two is the weight of a carbon black products there is a certain weight particularly light may be made by charcoal which did not reach the adsorption effect.
4、Knowing that sea levels have varied by more than 100 metres in the past, as ice-sheets have melted and re-formed, lends a certain weight to the argument that serious climate change is best avoided.
5、Vehicles over a certain weight are not allowed to use the bridge.