Ultrasonotor
超声振荡器
🗣️ 情景例句
You're growing so fast, Michelle.
长得太快了， Michelle。
Car manufacturers must be very uneasy now.
现在汽车制造厂商们无疑都非常不安。
Rex soon became an expert at opening the gate.
雷克斯很快成了开门的专家。