Unstable isotope
[电] 不稳定同位素
🧩 词语组成解析
🗣️ 情景例句
Bye, see you next time.
下回再见。
Whatever happens, don't worry.
不管什么事情发生，你都不要担心。
She acted the role of the perfect servant for three years before Aunt Harriet discovered her 'little weakness'.
她担任“理想仆人”角色3年之后，哈丽特终于发现她有“小小的弱点”。