Keratoelastin
鱼卵壳蛋白
🗣️ 情景例句
Are these the terms that we agreed on?
这些是我们同意的条件吗？
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
We had lost the path and had no hope of finding it again.
我们找不到那条小路，而且也没有希望再找到它了。