unpowered
adj. [动力] 无动力的;[交] 非机动的
例句
Having little wind, this area greatly affects unpowered ships.
有微风的时候,这个区域非常容易影响无动力航船。
An autogiro is supported in flight by unpowered rotating wings.
旋翼机在飞行中是靠无动力旋转式机翼来支持的。
A man without aspirations is like an unpowered boat which has to go with the waves.
没有志向的人,就好比没有动力的船,只能随波逐流。