Ultrasonicator
超声发生器
🗣️ 情景例句
Do you want manual or automatic transmission?
你的汽车想配备一个手动挡还是自动挡？
Are you in touch with him now?
你现在和他有联系吗？
Sometimes I have problems at work but on the whole I enjoy my job.
有时我的工作也有问题，但总的来说，我喜欢我的工作。