monoplanetic

例句：

1. 1. The monoplane wasused for military reconnaissance duringWorld War II.
   二战期间，单翼飞机被用于军事侦察。
2. 2. The monoplane was apopular mode of transportation in the early20th century.
   在20世纪初，单翼飞机是一种受欢迎的交通工具。
3. 3. Themonoplane was designed to be more efficientthan its twin-engined counterparts.
   单翼飞机的设计旨在比其双引擎的对应产品更高效。