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
凸: Ⅰ动词(高出) bulge; protrude 短语和例子挺胸凸肚 throw out one's chest and bulge one's bellyⅡ形容词(高于周围) protruding; raised 短语和例子凸纹 raised carving or design; 凸花银瓶 [工美] a silver vase with a raised floral de
