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
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
Don't cry, I said. I talked to her. But she looked at me and cried harder and harder.
“别哭呀！”我跟她说话，可是她看着我，哭得越来越厉害了。