cruising
['kru:ziŋ]
n.巡航
动词cruise的现在分词形式
例句与用法：
A stay for racing or cruising vessels used to steady the mast against the strain of the gaff.
稳定索，分隔索赛艇或巡逻艇上的支索，为防止斜桁的张力而用于稳定桅杆
A cruiser is cruising in the Baltic Sea.
一艘巡洋舰正游弋在波罗的海。
详细释义：
a.
【空】最省油的飞行的