cracking

名词 cracking:

1. a sudden sharp noise
   同义词：crack, snap
2. the act of cracking something
   同义词：fracture, crack
3. the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)

动词 crack:

1. become fractured; break or crack on the surface only
   同义词：crack, check, break
2. make a very sharp explosive sound
   同义词：crack
3. make a sharp sound
   同义词：snap, crack
4. hit forcefully; deal a hard blow, making a cracking noise
   同义词：crack
5. pass through (a barrier)
   同义词：break through, crack
6. break partially but keep its integrity
   同义词：crack
7. break suddenly and abruptly, as under tension
   同义词：snap, crack
8. suffer a nervous breakdown
   同义词：crack up, crack, crock up, break up, collapse
9. tell spontaneously
   同义词：crack
10. cause to become cracked
    同义词：crack
11. reduce (petroleum) to a simpler compound by cracking
    同义词：crack
12. break into simpler molecules by means of heat
    同义词：crack

形容词 cracking:

1. very good
   同义词：bang-up, bully, corking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing

1. There's a lot to be done, so let's get cracking.
   工作很多，咱们开始干吧。
2. In a voice cracking with emotion, he announced the death of his father.
   他悲恸失声地宣布了父亲去世的消息。
3. Police are cracking down on drug dealers.
   警方现对贩毒分子严惩不贷。
4. That was a cracking shot he played.
   他这一下打得妙极了。

crack.ing

n.Chemistry （名词）【化学】
Thermal decomposition, sometimes with catalysis, of a complex substance, especially the breaking of petroleum molecules into shorter molecules to extract low-boiling fractions such as gasoline.
裂化：有时通过催化作用对复合物的热分解，尤指把石油分子分解成更小的分子并提取低沸点的分馏部分，如汽油
adj.（形容词）
Excellent; great:
优秀的；美妙的：
例句：
had a cracking time at the dance.
在舞会上玩得很愉快

adv.（副词）
Used as an intensive:
用于加强语气：
例句：
a cracking good show.
极其精彩的表演