Macrooscillograph
常用示波器, 标准示波图
🗣️ 情景例句
Great! It's a date.
太好了！ 就说定了。
Without a friend the world is a wilderness.
没有朋友，世界就等于一片荒野。
His name is Carlos.We're going to get married next week.
他叫卡洛斯。下星期我们就要结婚了。