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[天]星际介质；星际物质
1、porous medium───[力]多孔介质；疏松介质
2、interstellar───adj.[航][天]星际的
3、dispersing medium───[物化]分散介质；色散介质；弥散剂；分散剂，色散介质
4、tars interstellar───星际焦油
5、medium shot───中景镜头
6、interstellar dust───[天]星际尘埃
7、granulating medium───造粒介质
8、medium───n.方法；媒体；媒介；中间物；溶剂；灵媒；中庸；adj.中间的，中等的；半生熟的；（投球）中速的
9、medium height───中等身高；不胖不瘦；中等高度
1、Stars are born from a kind of primal soup known as the interstellar medium.───恒星是由一种称为星际介质的“原汤”形成的。
2、The shock acts as a searchlight by revealing the structure of the interstellar medium.───冲击波能揭示出星际介质的结构，扮演着探照灯的角色。
3、Mixing with the interstellar medium, the dust could ultimately form rocky terrestrial planets like Earth.───星尘与星际介质混合在一起，最终形成了岩石状的类地行星，例如我们的地球。
4、What new information have we gleaned about the comparatively dense gas-dust complexes of the interstellar medium over the past dozen years?───过去的十几年里，有关星际介质的较密气尘复合体我们探明了哪些新东西呢？
5、All together, the atoms, ions, and free electrons form the "interstellar medium" through which radio signals must pass.───外星无线电信号要通过的就是由这些原子、离子和自由电子合在一起组成的星际介质。
6、Supernovaexplosions also enrich the interstellar medium with new chemical elements, which are incorporated into future generations of stars.───超新星爆发同时用新的化学元素充实星际物质，并成为下一代恒星的一部分。
7、Interstellar Medium: What astronomers call all that stuff between the stars.───星际介质：即天文学家所称的恒星间的物质。
8、In the disk of our Milky Way Galaxy about 10 percent of visible matter is in the form of gas, called the interstellar medium (ISM).───在我们碟形的银河系中约有10%的可见物质以气态存在，被称为星际介质 (I S M)。