例句與造句

1. The segment also hosts four electrically driven gyroscopes that will orient the sprawling station as it circles the Earth.
2. The U . S . system of four external electrically driven gyroscopes has been the primary station steering mechanism since early 2001.
3. With power depleted, the Mir crew cut off the big electrically driven gyroscopes that normally control the sun-tracking task as well as the station's primary oxygen-generation and carbon-dioxide removal systems.
4. It's difficult to find electrically driven gyroscope in a sentence. 用electrically driven gyroscope造句挺難的