Keratinose
角(蛋白)
🗣️ 情景例句
If you feel in any way unsatisfied, please just give me a call.
如果你觉得有任何不满意的地方，请给我电话。
In the crowd, Sam looked aside to avoid seeing her.
在人潮中，萨姆把头转向旁边，免得和她目光相对。
She stood up and took his arm.
她站起来，拉住他的手臂。