Echinochrome
海胆色素
🗣️ 情景例句
What's that?
什么问题？
I'm gonging to show him how to play bridge.
我正要指点他如何打桥牌。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。