1、You should have a smoke alarm outside each bedroom and on each floor of your home.
你應(yīng)該在每間臥室外和家里的每層樓安裝一個(gè)煙霧報(bào)警器。

2、A smoke alarm warns you of the danger.
煙霧警報(bào)器警告你有危險(xiǎn)。

3、Note the Smoke Alarm above the grandfather clock.
注意：以上祖父時(shí)鐘煙霧報(bào)警器。

4、Check smoke alarm displays on bridge and report.
檢查駕駛臺(tái)的煙霧警報(bào)顯示并報(bào)告。

5、A smoke alarm lasts about ten years.
煙霧報(bào)警器可以持續(xù)工作10年左右。

6、A: Look, I even installed smoke alarm B: What was the purpose of that
A: 看，我甚至都裝了火災(zāi)報(bào)警器。 B: 那是干什么用的？

7、They fitted a smoke alarm to the ceiling.
他們把煙霧報(bào)警器安裝在天花板上。