The researchers extracted graphene from graphite using ordinary adhesive tape .

研究者使用普通胶布从石墨中提取石墨烯。

They extracted 27 core samples .

他们提取了27个礁心样品。

They extracted dna from the tablets , powders and herbal teas .

他们从药片、粉末和草药茶中提取dna。

The hidden prey can be extracted only with some clever statistics .

隐藏的捕获物只有用一些聪明的统计数字才可提取。

This gas is emitted when plutonium is extracted from spent fuel rods .

这种气体会随着从燃料棒中提取出来的钚释放到空气中。