R-f preselectors
[电] 射频预选器
🗣️ 情景例句
If you waste all your time playing computer games, you'll never get anywhere in life.
如果你花过多的时间在电脑游戏上，你将前途黯淡。
What are you gonna do?
你打算怎么办？
That's right. We will take 10 pigs, 10 sheep and sixty chickens. The chickens can eat the food that we would otherwise throw away. They will provide us with eggs and meat.
没错。我们要带上10头猪、10只羊还有60只鸡。鸡吃我们的剩饭剩菜。它们为我们提供蛋和肉。