R-f preselectors
[电] 射频预选器
🗣️ 情景例句
I just have my driver's license with me. Is that enough.
我身上只带了驾驶执照，这样够了吗？
Shall I carry this for you?
要不要我帮您拿这件东西？
Good evening! Mr Green, where are you from?
晚上好，格林先生，你是哪里来的？