Albumotope
碘标记清蛋白和血清
🗣️ 情景例句
I want to put some of my good hangers in Grandpa's closet.
我想在爷爷的衣橱 放几个好的衣架。
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。