名词短语
中文翻译：扩张理论
同义词：
['expanding theory', "expanding hypothesis例句：1. The expansion theory suggests that the Earth's crust is constantly moving.（扩张理论认为地球的地壳在不断移动。）"]
例句：
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1. The expansion theory suggests that the Earth's crust is constantly moving.
扩张理论认为地球的地壳在不断移动。
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2.The expanding theory of evolution posits that species evolve over time.
扩张进化论认为物种随着时间的推移而进化。
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3.The expanding theory of global warming suggests that greenhouse gases are causing the Earth to warm up.
全球变暖扩张理论认为温室气体正在导致地球变暖。