Ulmain
凝胶化植物质煤
🗣️ 情景例句
What makes you feel good?
什么使你感到高兴？
Yes, I think so.
是的，我认为是。
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。