Electrocardioscope
心电示波器
🗣️ 情景例句
Oh, sorry. There must be some mistake.
哦，抱歉，一定是弄错了。
A fool's bolt may sometimes hit the mark.
愚者千虑，必有一得。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”