gear-up configuration起落架收上的形态
gear door up line起落架舱门关闭管路
Gear present up齿轮拉刀
gear itself up for为…做准备
gear-up landing收起落架着陆;未放起落架着陆
gear-up aircraft起落架收上的飞机
Gear It Up滚动齿轮
gear itself up冲刺
Gear-Up装甲兵;即可佳;装备家
PHRASAL VERB（动词词组） If someone is gearing up for a particular activity, they are preparing to do it. If they are geared up to do a particular activity, they are prepared to do it. 为…准备
...another indication that the country is gearing up for an election.
…那个国家正为选举做准备的另一种迹象。