舵: 名词(船、飞机等控制方向的装置) rudder; helm 短语和例子倒车舵 flank rudder; 方向[垂直] 舵 vertical rudder; 空气动力舵 aerodynamic rudder; 平衡舵 balanced rudder; 升降舵 elevating rudder; 掌舵 take [be at] the helm; 回舵! ease the h
深度: 1.(深浅程度) degree of depth; depth 短语和例子河水的深度 the depth of the river; 通过疏浚保持河道的深度。 the depth of the river is maintained by dredging.2.(触及事物本质的程度) profundity; depth 短语和例子一篇表现出思想深度的文章 an articl
