复数： calxes calces

Other calx and draff whose major ingredient is lead .

其他主要含铅的矿灰及。

Everybody knows sodium encounters water to be able to produce severe reaction , release much heat at the same time , encounter water like calx same .

大家都知道钠遇水会发生剧烈反应，同时释放出大量的热，就像生石灰碰到水一样。