expansion
expansion 英 [ɪkˈspænʃn] 美 [ɪkˈspænʃən]
n. 膨胀；阐述；扩张物
名词复数:expansions
- Expansion is what happens when something becomes bigger or more extensive. If you enjoy good pastry, you will be excited by the expansion of the bakery, but be careful or you will also see the expansion of your waistline.
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- n. 膨胀；阐述；扩张物
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1. We have got used to expansion and dominance.
我们必须习惯资源的膨胀和支配。
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2. We only know it exists because of its effect on the expansion of the Universe.
我们只能根据它对宇宙膨胀所起的作用来认识到它的存在。
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3. Dark energy makes up three-quarters of our Universe but is totally invisible. We only know it exists because of its effect on the expansion of the Universe.
暗能量占据了我们宇宙的四分之三，然而又是完全看不见的。我们只能根据它对宇宙膨胀所起的作用来认识到它的存在。
- expansion (n.) 1610s, "anything spread out;" 1640s, "act of expanding," from French expansion, from Late Latin expansionem (nominative expansio) "a spreading out," noun of action from past participle stem of Latin expandere "to spread out, unfold, expand," from ex "out" (see ex-) + pandere "to spread, stretch" (from nasalized form of PIE root *pete- "to spread").
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