Immunohematologic
a. 免疫血液學的
??? 情景例句
We would adopt payment by instalments for our present practice,
這次交易我們將采取分期付款方式，
Mr. President, ladies and gentlemen, and all the distinguished guests.
主席先生，女生們先生們，各位貴賓們。
What's the matter with you?
你怎么啦？