Ibsa
[医][=immunoreactive bovine serum albumin]免疫反应的牛血清白蛋白
🗣️ 情景例句
Good afternoon, Mr. Chen. Thank you very much.
下午好，陈先生。非常感谢。
I ask him to do the housework now.
我要求他现在做家务。
Affluent he may be, but he is by no means sure what, to tip the doorman or the chambermaid.
他们可能很富有，但给看门人和房间女服务员多少小费，心中却根本没有数；