Ultraphonics
超声学
🗣️ 情景例句
Have you any experience with a computer?
你有使用电脑的经验吗？
What's the best price you're prepared to offer for your product?
你们的产品最优惠的价格是多少呢？
Well, I suggest you see some of our national parks.
那么，我建议你参观一下我们的国家公园。