porpoising

核心释义

1. 1.

   指水生呼吸动物(如鼠海豚或企鹅)反复跳出水面呼吸并连续潜入水中的动作。

   Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion.

2. 2.

   指飞机起飞或降落时连续俯冲；或指船只在水面上连续上下起伏。

   Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water.

指飞机起飞或降落时连续俯冲；或指船只在水面上连续上下起伏。；海豚；鼠海豚