Penn sero-flocculation reaction
[医] 佩恩氏血清絮凝反应
🧩 词语组成解析
abbr. 宾夕法尼亚大学（Pennsylvania）
[人名] 塞罗
n. 絮凝；絮结产物
🗣️ 情景例句
OK. Do you want to get better?
好，你想把病治好吗？
No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。