Ultracracking
超加氢裂化
🗣️ 情景例句
OK, I guess.
我想还好吧。
He that never climbed never fell.
不向上爬的也不会下跌。
The children are no longer young, and they know who Father Christmas really is.
孩子们不小了，他们知道真正的“圣诞老人”是谁。