提示：点击例句中的单词，就可以看到词义解释

Clap a little cornstarch or talcum powder between your hands .

在两手之间抹一点玉米粉或滑石粉。

Collect the powder as was done with mercury beads .

收集粉末的步骤同收集水银珠子一样。

And one day the powder keg may explode .

有朝一日埃及这个火药桶可能会爆炸。

He empties some foot powder into his pockets .

他将一些脚气药粉倒在自己的口袋中。

Techniques have also been developed that use powder and lasers .

技术发展也使得使用粉体和激光成为可能。