Vibrin
聚酯树脂
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
I was surprised to see you here.
我想不到在这里碰到了你。
What's the matter, Granny? Can I help you?
什么事，老大娘？我能帮你吗？