slow decline造句

• He listened to the starter retching and retching, the racing of the engine, and then the slow decline to silence .
  他听着汽车的起动器干呕了两声，接着马达发动起来，声音逐渐消失在远处。
• Four years of operation saw slow decline of activity of the catalysts and remarkable savings of sulfiding agent
  装置近4年的应用结果表明，催化剂活性下降缓慢，节约了大量的硫化剂，取得了较好的效果。
• Games , players need to control the screen , the balloon is not whereabouts is very simple . the only balloon the ball hits the left mouse button live , balloons will float , move the mouse can be controlled before and after balloon flight we need to be aware , games are not provided for the balloon to sink keys allow only slow decline
  游戏中，玩家需要控制画面中的气球不下落，方法很简单，只需在气球的球身处点击鼠标左键，气球即会上浮，移动鼠标可以控制气球前后飞行，需要注意的是，游戏没有设置让气球下沉的按键，只有让其缓慢下降。