Spiking isotope
[化] 掺加同位素
🧩 词语组成解析
[化] 掺加; 掺加示踪剂
🗣️ 情景例句
Friends, teachers....
朋友 老师……
He is never alone that is in the company of noble thoughts.
思想崇高者，绝不会孤独。
Good. thank you for the order.
好的，谢谢你的订货。