Resonanting cavity
[电] 谐振空腔
🧩 词语组成解析
🗣️ 情景例句
If I fail this exam I'll fail the course.
我要是考试没通过，这门课就没学分了。
I'm afraid I can't get away from the meeting.
我恐怕难以从会议中抽身。
Nice to meet you too! What class are you in?
我也很高兴。你是哪班的？