R-f current
[电] 射频电流
🧩 词语组成解析
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
Where are you going?
你要去哪里？
After breakfast, I sent the children to school and then I went to the shops.
早饭后，我送孩子们上学，然后就去了商店。