laterals侧根lateraladj.侧面的；横向的；旁边的n.侧面；[语]侧音vi.完成横向穿越lateral loads水平荷载lateral width宽展lateral march侧方行进lateral shock横震lateral roots侧根lateral twist侧旋lateral style侧生花柱lateral drain侧向排水道lateral ditch支沟,边沟lateral wedge侧向楔体