Transponder
n. 发射机应答器\\n[电] 询答机
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
She's off to Guangzhou tomorrow.
她明天出发去广州。
I'm sorry, I can't. Is it under the teacher's desk?
对不起，我没见过，是不是在老师的讲桌底下？