Oscillograpg
[机] 示波图
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
I've never read a more fascinating story.
我没有读过比这更令人着迷的故事。
Oh dear! It's very warm in this clasroom, isn't?
天哪，这屋里真暖和，不是吗？