Ultracracking
超加氢裂化
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
I haven't seen you for a long time.
好久没有见到你了。
No matter what the conditions were, he believed that a car should be driven as fast as it could possibly go.
他认为不管路面情况如何，车必须以最高速度前进。