Penn seroflocculation reaction
[医] 佩恩氏血清絮凝反应(检癌)
🧩 词语组成解析
abbr. 宾夕法尼亚大学（Pennsylvania）
[医] 血清絮凝
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
Is the plane leaving?
飞机要起飞了吗？
Do you want any sugar?
你要放些糖吗？