英文单词：astatine

中文含义：砹（一种放射性元素）

词性：noun

美式发音：əˈstætin

同义词：无

易混淆单词：无

双语例句：

1. Astatine is a very rare and highly radioactive element that can only be produced in very small amounts.

砹是一种非常罕见和高放射性的元素，只能生产出极小量。

2. Scientists still have much to learn about the properties and behaviors of astatine due to its limited availability and radioactivity.

由于砹的可获取性有限和放射性，科学家对其特性和行为仍有很多需要了解的地方。