barium

名词

1. 1

   钡化学

   Barium is a soft, silvery metal that reacts quickly with water.

   钡是一种柔软的银白色金属，遇水会迅速反应。

2. 2

   钡剂医学

   The patient had to swallow barium before the stomach X-ray.

   病人在照胃部Ｘ光前必须先喝下钡剂。