半夜烟雾报警器响了。

The smoke alarm went off in the middle of the night.

烟雾报警器检测到即使是最少量的烟雾。

The smoke alarm detects even the smallest amount of smoke.

烟雾报警器警告你有危险。

A smoke alarm warns you of the danger.

烟雾报警器大约可以使用十年。

A smoke alarm lasts about ten years.

烟雾报警器只有在正常工作时才有用。

A smoke alarm is only good if it's working properly.

在家里安装烟雾报警器，并每月测试一次。

Put a smoke alarm in your house and test it every month.

烟雾报警器大大降低了你在火灾中受伤的几率。

A smoke alarm greatly reduces your chances of being hurt in a fire.

法国大公司求购各种检测报告齐全的烟雾报警器.

Big French company look for smoke alarm supllier with full test reports available.

在许多美国家庭中，科学家发现各种各样烟雾报警器以及其它气相探测器中存在高达1毫克的放射性镅-241。

Many American households have as much as a milligram of radioactive americium -241 in the various smoke alarms and other gas-phase detectors found there.

这也许意味着你要采取大的措施，像挂一个遮光的灯罩，或者小的步骤，比如用布基胶带遮住烟雾报警器发出的微光。

This might mean taking big steps, like hanging light-blocking shades, or small steps, like putting duct tape over the tiny lights in smoke alarms.