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今天我们要学的词是inject. Inject,动词，意思是注入。最近一项调查显示，Maryland's fast-growing casino industry injected $1.4 billion into the state economy. 美国马里兰州快速发展的赌场业为马里兰州的经济注入了14亿美元。Researchers injected human brain cells into baby mice to create animals which have brains that are half human in order to advance their understanding of brain disease. 为加深对大脑疾病的认识，研究人员将人脑细胞注入新生小老鼠体内，让这些老鼠的脑子带有一半人脑特征。好的，今天我们学习的词是 inject, inject, inject...
