Necrotizing factors
[医] 坏死毒素
🧩 词语组成解析
[医] 引起坏死的
n. 因素（factor的复数）
🗣️ 情景例句
Is something the matter, Grandpa?
怎么了，爷爷？
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
See you next Friday.
下星期五见。