n.机动船
A powerboat reserved for the use of an admiral.
旗舰海军将官专用的大型艇.
The powerboat picked us up and headed to higher ground.
汽艇带上我们往高地方向驶去.
Tim Powell is a former champion powerboat racer.
蒂姆·鲍威尔曾是汽艇比赛冠军。