Ultracracking
超加氢裂化
🗣️ 情景例句
Calm down.
冷静一点。
That's a tough question to answer.
那是一个很难回答的问题。
Fortunately we found some that was still dry and carried it back to the cave.
幸好，我们找到了一些干木柴，并把木柴抱回岩洞。