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
跟上: keep pace with; catch [keep] up with; keep [be] abreast of [with]: 跟上时代的步伐 keep pace with the times; 跟上科学上的最新发展 keep up with the latest development in science; 跟上形势 keep abreast of the cur
