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
Is unable to express himself clearly.
不能很好地表达自己。
I've always respected him.
我一直很尊敬他。
There was a big smile on her face.
她脸上充满笑容。