Atsdr
abbr. Agency for Toxic Substances and Disease Registy 有毒物质和疾病登记代理
🗣️ 情景例句
My pleasure, Doctor.
非常荣幸，医生。
The raceis got by running.
赛跑要靠奔跑来赢得。
I am sure that, without modern weapons,
我断定，如果没有现代化的武器，