Alternating-current
n. 交流电流
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
While Mike was an only child, he would amuse himself with his toys.
麦克还在孩提时，常常独自玩玩具取乐。
Time is up.
时间快到了。