Bieletrolysis
双极电解
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
My right arm hurts. It hurts right here.
我的右手臂受伤。 它恰好受伤在这里。
Yes, I did.
是的，我给了。