Beta-decay
衰变，贝他衰变
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
🗣️ 情景例句
You haven't changed a bit.
你们一点都没有变。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
Bottoms up!
干杯（见底）！