长骨long bone
叹息sigh ; draw a long breath
土星长寿命卵形物Saturnian long-lived ovals【天】
长治久安a long period of stability; prolonged political stability; lasting political stability
长油醇酸树脂long oil alkyd resin【树脂】
【经】 长期预测long-term forecast
【经】 增值法的长期率long-range rate of appreciation method
十三个a long dozen