Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
I don't think I've had the pleasure.
我想我未曾有幸遇见过你。
To eat dinner
吃晚饭
But the competition of man against man is not the simple process envisioned in biology.
但是，人与人的竞争并不像生物学中想像的那样是一个简单过程。