[MSL]

zzz zzz

 Let us learn about this/these zzz zzz. The meanings of zzz zzz are:


1) 6 zs; 6 letters "z". "Z (named zed /ˈzɛd/ or zee /ˈziː/) is the twenty-sixth and final letter of the ISO basic Latin alphabet."_{http://en.wikipedia.org/wiki/Zzz}

2) According to http://en.wikipedia.org/wiki/Zzz  it is "an onomatopoeia for snoring, or an implication of sleep".

  By the way, there is also a Z particle - "Z particle, massive electrically neutral carrier particle of the weak force that acts upon all known subatomic particles. It is the neutral partner of the electrically charged W particle. The Z particle has a mass of 91.19 gigaelectron volts (GeV; 109 eV), nearly 100 times that of the proton. The W is slightly lighter, with a mass of 80.4 GeV. Both particles are very short-lived, having lifetimes of only about 10−25 second..."_{http://www.britannica.com/EBchecked/topic/655170/Z-particle}

  zzz zzz may be six z particles 

 Alright, that is all what I can write about this topic.

  Find more about different zzz zzz's online: http://www.google.com.hk/search?q=zzz%20zzz

 Good luck and best wishes!

[SEO]

 Hey, I like it !  ZZZ ZZZ . Good, good!

[伤不起]

   We often use zzz zzz to show someone that is sleeping.

[MSL]

 That is right.