R-f preselectors
[电] 射频预选器
🗣️ 情景例句
And time passes so quickly.
可是时间过得很快。
Is there a funny show on television tonight?
今晚有精彩的电视节目吗？
They decompose and are quickly destroyed by the weather or eaten by some other creature.
因为它们腐败之后很快就被风化掉，或被别的动物吃掉了。