barium

名词 barium:

1. a soft silvery metallic element of the alkali earth group; found in barite
   同义词：Ba, atomic number 56

1. Barium sulfate is a radiopaque substance.
   钡硫酸盐是一种辐射光不能穿透的状之。
2. A white pigment consisting of a mixture of zinc sulfide, zinc oxide, and barium sulfate.
   锌钡白一种由硫化锌、氧化锌和硫酸钡混合构成的白色色素
3. The foreign body can be shown up on a barium swallow.
   吃了钡之后能把异物显示出来。