Microwave signal

microwave ['maɪkrə'wev]

n. 微波;微波炉; vt. 用微波炉加热（或烹饪）;

micro微，小+wave波→微波

signal ['sɪgnl]

n. 信号，暗号;预兆，征象;动机;导火线; vt. 向…发信号;用动作（手势）示意;以信号告知; vi. 发信号; adj. 显著的，优越的;暗号的，作信号用的;

sign记号，信号+al表名词 → 信号

Oh, I sure do.

哦，我当然记得。

How long is the ticket valid?

这车票有效期多久？

Next, if it is not a story, get an idea of the organization of the book. Read the back cover and the introduction. Look at the pictures and the short texts below them. Turn to the front of the book and look at the contents. This way you can decide whether

其次，如果不是故事书，你就要对书的篇章结构有所了解。看看目录。这样，你就可以判断这本书是否可能引起你的兴趣。如果是这样，你就可以断定哪几个部分最有用，最有趣。