Dector
[计] 提取电路, 信号提取器
🗣️ 情景例句
You can't believe all these ads.
你不能全信广告。
I enjoyed the movie very much. I wish I had read the book from which it was made.
电影不错，我希望我读过原著。[wish + 主语 = 过去完成时 = 愿望之事在wish以前发生。]
She gave her luggage to a porter and showed him her ticket.
她把行李交给搬运工并给他看了车票。