Difference detector
[电] 讯差检波器
🧩 词语组成解析
🗣️ 情景例句
I don't know what I would do without you.
我真不知道没有你们我怎么办。
I'll let you know if anything comes up.
如果发生了什么事，我会让你知道。
She stood three feet high and her hands rested on her hips.
她身高3英尺，双手叉腰。