A woman named Emily renewing her driver's license at the County Clerk's office was asked by the woman recorder to state her occupation. She hesitated, uncertain how to classify herself.
一位名叫埃米莉的妇女在县办事处给驾驶执照续期时，一名女记录员问及她的职业。
We show that endothelial cells interact closely with self-renewing brain tumor cells and secrete factors that maintain these cells in a stem cell-like state.
我们的研究表明内皮细胞与能够自我更新的脑肿瘤细胞之间存在密切的交互作用，并且能够分泌细胞因子来维持这些细胞的干细胞状态。
We show that endothelial cells interact closely with self-renewing brain tumor cells and secrete factors that maintain these cells in a stem cell-like state.
我们的研究表明内皮细胞与能够自我更新的脑肿瘤细胞之间存在密切的交互作用，并且能够分泌细胞因子来维持这些细胞的干细胞状态。
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