Scientists say they have developed a quick technique for detecting liquids that could be used as explosives.

科学家称，他们已经发现一种探测可爆炸液体的快速方法。

youdao

Scientists say they have developed a quick technique for detecting liquids that could be used as explosives.

科学家称，他们已经发现一种探测可爆炸液体的快速方法。

youdao