例句與造句

1. In 1972, Moller founded Supertrapp Industries to market his invention of an engine silencing system.
2. Passengers screamed, cried and prayed as the pilot of an Ethiopian jetliner, its engines silenced by a lack of fuel, struggled with hijackers to put the plane down in the sea.
3. It's difficult to find engine silencing in a sentence. 用engine silencing造句挺難的