Phycocolloid
藻胶
🗣️ 情景例句
What's the problem?
什么问题啦？
That's very nice of you. I guess I could use some help.
谢谢你的好意。我想我可能要一点帮助。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。