R-f current
[电] 射频电流
🧩 词语组成解析
🗣️ 情景例句
No parking.
禁止停车。
We certainly expect our product to be available by October 1.
我们的产品在可在10月1日前准备好。
I want to take some books to the classroom. Could you help me, please?
我想把一些书拿到教室里，你能帮个忙吗？