expanding造句
211. Einstein's equations showed the Universe to be expanding.
212. The heart pumps by expanding and contracting of muscle.
213. The economy is expanding, notching up high growth rates.
214. At present, China's nuclear power industry is expanding, prompting substantial import of technologies and equipment.
215. Then , slowly, the surviving Hellenistic kingdoms were swallowed by the expanding Roman empire.
216. Expanding with heat and contracting with cold is a natural phenomenon.
217. The formula of tube expanding force is deduced using the slab method.
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