Passive detection
[电] 无源侦检
🧩 词语组成解析
🗣️ 情景例句
especially when he's a baby.
特别是当他还是个婴儿的时候。
Your pronunciation is excellent.
你的发音很好。
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。