Ac
公元前\\n[计] 存取周期, 累加器, 声耦合器, 交流, 应用控制, 自动检查, 自动计算机
📖 牛津释义
AC
(also ac), abbr 缩写 = alternating current. Cf 参看 DC3.
🗣️ 情景例句
I type about 40 words per minute.
一分钟我能打40个字。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿,4班的运动员摔倒了,伤了腿,但是他很快爬起来,继续往前跑。
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