Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
I chose to continue with my career as a music teacher.
我选择继续我的音乐教师的事业。
The crowd gasped with astonishment.
大家惊讶的屏住呼吸。
What can I do for you?
要我帮忙吗？