Sepiomelanin
[化] 墨鱼黑色素
🗣️ 情景例句
The work is not as difficult as you think.
工作不像你想象的那么难。
I was born in China and brought up in the U.S.A.
我出生在中国，在美国长大。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。