Passive detection
[电] 无源侦检
🧩 词语组成解析
🗣️ 情景例句
She's unhappy
她很不高兴。
One moment, please, and I'll find out what is available.
请等一等，我来查一查有什么班机。
but I do not turn for protection to dreary cliches about respect of elders -- as if mere age were a reason for respect.
但我不会用应当尊重长者这一套陈词滥调来为我自己辨护，似乎年长就是受人尊敬的理由。