Prodag
半胶态石墨悬浮液
🗣️ 情景例句
What are you majoring in?
你主修什么专业？
How is it going?
情况怎么样？
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。