Melanogen
黑素原
🗣️ 情景例句
It's a family business, it may not bring in a lot of money, but it keeps the family together.
这是家族生意，虽然不一定可以赚大钱，但可将整个家庭凝聚在一起。
You must have dialed the wrong number.
你肯定拨错了号。
They come in cases of five.
它们是五个一箱。