Dopplerizer
多普勒效应器
🗣️ 情景例句
Would you happen to have a room for two availbale
你们可有一个双人房间
Gossiping and lying go hand in hand.
搬事弄非者，必是撒谎人。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，