Bsf
abbr. backscatter factor 背（向）散射因素; beta-s-fetoprotein β-S-胎蛋白; bulk shielding facilities 整体屏蔽设备（反应堆）
🗣️ 情景例句
You tried calling the number on the collar?
你照狗脖子上项圈的电话号码打过电话了吗？
Remember thou are but a man.
记住你自己只不过是一个人。
How could she possibly ace it when she keeps cutting class all the time?
她老是缺课，怎么能考100分？