Radioprotectant
辐射防护剂
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
Proverbs are short sentences drawn from long experience.
谚语言短简，得自老经验。
He's younger and stronger than you are.
他比你年轻，比你强壮。