n.分裂；分解
adj.很快的；很好的；很美的
adv.很快地；很好地；很美地
It is known as catalytic cracking. 這就是所謂的催化裂化。
That was a cracking shot he played. 他這一下打得妙極了。
n.俏皮話
n.撬竊保險箱的行為(或技術(shù))
n.加氫裂化
