Oscilloscopy
示波术
🗣️ 情景例句
Hello, Richard. I found your bag!
哈啰，Richard， 我找到你的旅行袋。
Do you like traveling?
你喜欢旅游吗？
The secretary told me that Mr.Harmsworth would see me.
秘书告诉我说哈姆斯沃斯先生要见我。