Ubiquitin
n. 泛激素，泛素（一种存在于大多数真核细胞中的小蛋白）
🗣️ 情景例句
It's a book of pictures.
这是一本摄影集。
A clean hand wants no washing.
身正不怕影子斜。
' The manager was sympathetic, but he could do nothing.
”经理深表同情，但却无能为力。