A.c.
[化] 交流; 交变电流\\n[医] 空气传导, 交电流, 交变电流, 阳极通电, 轴颈的
🗣️ 情景例句
Aren't you going to the aerobics class this morning?
今天上午你不是去上有氧运动课吗？
Don't answer back.
不要顶嘴。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。