Ibsa
[医][=immunoreactive bovine serum albumin]免疫反应的牛血清白蛋白
🗣️ 情景例句
I hope it isn't important.
希望不是什么重要事。
An occasion lost cannot be redeemed.
时机失了无法挽回。
Looking up I saw that we were surrounded by children in rags who were looking at us silently as we ate.
我抬头一看，发现我们被一群衣衫褴褛的小孩团团围住了，他们在默不作声地看着我们吃饭。