Leu·ven英ˈlevən美ˈlɛvənAHDlĕvʹənEconomist⁵³⁵⁸¹⁺¹ 基本例句 n.勒文¹⁰⁰ In Leuven, Belgium, scientists are scouring the world for banana samples and cryo- preserving their shoots in liquid nitrogen before they become extinct. 在位于比利时的鲁汶 Leuven，科学家正在满世界找香蕉样本并在液氨里冷冻保存它们的嫩枝---在它们灭绝以前。 yeeyan