Ssbd
[医][=single-strand base damage]单链碱基损伤
🗣️ 情景例句
Well, there must be something.
嗯 ，一定可以找到事做。
Did you go play ball last night?
你昨晚去玩球了吗？
Yes, I am, thank you.
是的，好些了，谢谢您。