Bidirectional current
[电] 双向电流
🧩 词语组成解析
[计] 双向的
🗣️ 情景例句
I think you should show it to Mr. Carlson.
我觉得你应该给Carlson先生看看。
To scratch for fleas
因为跳蚤而抓痒
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。