Eukeratin
优角蛋白
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
Young man may die but old men must die.
年轻人可能会死，老年人难免不亡。
You should always depend on yourself rather than someone else.
你应该是依靠你自己，而不足别人。