单词	dark matter
释义	dark matterˈdark ˌmatter noun [uncountable] technical a type of matter that scientists think may exist. It cannot be seen but seems to affect the movements of stars
随便看	Stein, Rick Steinway stellar STEM stem stem cell stench stencil Stendhal Sten gun steno stenographer stenography stentorian step- step step aerobics stepbrother step-by-step step by step step change stepchild stepdaughter stepfather Stepford Wives, The

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