| 释义 |
astatine美 ['æst?ti:n] 英 ['æst?ti:n] 1. | 砹（放射性化学元素）a chemical element. Astatine is a radioactive element which is found in small amounts in nature, and is produced artificially for use in medicine. |
n. | 1. an unstable radioactive element, the heaviest in the halogen series. |
1. | | 2. | 石厄 化学英语读本 单词表 - 新月空中英语 ... ash 灰,灰烬 astatine 石厄 axial 轴的,轴向的 ... www.popmoon.com | 3. | 石艾 化学元素表, 中文英文名称及拉丁文名称 ... Lead 铅 Astatine 石艾 Tellurium 碲 ... www.eion.com.tw |
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