Electrocardioelectrode
心电电极
🗣️ 情景例句
What a lovely couple you make!
你们真是天生的一对。
Self-confidence is the first requisite to human greatness.
人类的伟大，首要的是要有自信。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。