Beta rays
[医] β[射]线
🧩 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
n. 射线；[俚]日光浴；光线（ray的复数）
🗣️ 情景例句
Therefore, Ms. Smith has asked me to tell you that a meeting would not be helpful at this time.
我转告你现在会面没有什么意义。
At about seven.
七点左右。
You don't keep your word.
你不守信用。