common way通常方式commonadj.常见的；共同的；普通的；平常的；平凡的；粗俗的n.公地；平民；普通；公园common amplifier circuit公共放大电路common root rot of wheat小麦普通根腐病common directional valve普通方向阀common marks and symbols常用符号common Lyapunov function公共Lyapunov函数common evergreen cypress地中海柏树common-drain amplifier共漏放大器common bile duct dilator总胆管扩张器common interosseous vein骨间总静脉common object repository公共对象库

1. Any of various evergreen plants of the genus Yucca,native to the warmer regions of North America,having often tall stout stems and a terminal cluster of white flowers.
   丝兰，一种丝兰属常绿植物，原产于北美的温暖地带，枝干长而粗壮，开有白花的顶生花簇。