Ampliscope
示波式摆幅仪
🗣️ 情景例句
I'm sorry, Mom.
我很难过， 妈妈。
The adventure had been planned for quite a while.
那项冒险曾经作了长期的周详计划。
family, finances and what you want from your investments.
家庭、财源和你想从投资中获得的好处的信息。