R-f indicator
[电] 射频指示器
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
Yes. And while I think of it, please ask when you want to borrow my records/CDs.
是的。还有，随便想起一件事，要是你想借用我的唱片，请先问一声。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。