Cbsa
abbr. cationized bovine serum albumin 阳离子化牛血清白蛋白
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
One never loses by doing a good turn.
行善者决无一失。
'I'm having breakfast,' I repeated.
“我正在吃早饭，”我又说了一遍。