This Jack Hartmann's Alphabet A-Z series for the letter Z z. Learn about the Letter Z.Learn that Z is a consonant in the alphabet. Learn to recognize the up...

Let's sing and dance with Baby Shark! 😍 You're watching "Zebra", a super fun ABC song by Baby Shark!⬇⬇⬇More Baby Shark's ABC Videos⬇⬇⬇https://www.youtube.c...

From traditional fairy tales that have been loved for many generations to classic stories that are recognized worldwide for their literary value, kids will learn natural and authentic English with...

2018年8月17日 · Learn the alphabet, phonics, letter sounds, vocabulary words, and uppercase and lowercase letters. This is a phonics ABC song for kids.The Alphabet Song is great for teaching and learning the alphabet and phonics.

In chemistry, the letter Z is used to denote the Atomic number of an element (number of protons), such as Z=3 for Lithium. In electrical engineering, Z is used to denote electrical impedance. In astronomy, z is a dimensionless quantity representing redshift. In nuclear physics, Z denotes the atomic number and Z 0 denotes a Z boson.

2013年12月3日 · Z用来表示睡觉（有时候用“ZZZ”或“ZZZZ”表示），是因为人闭嘴打鼾（closed-mouth human snoring，说实话此处我理解不能，闭嘴还能打鼾的情况真没有见过，或者有专门的医学释义？ ）发出的声音类似Z的发音。 除了维基百科，我还搜到了下面链接的回答，根据里面的资料，目前可以查到的最早用Z代表睡觉的记录是1918年。 而且最早这个Z并没有普遍用于表示睡觉，只用来表示打鼾，现在大多数漫画参考书中依然将Z定义为打鼾声（网页中还给出两本漫 …

2011年5月26日 · Originally someone "sawing wood" was the description given to the sound when snoring, often accompanied by an image of sawing wood or a hand motion (in the Z formation) of someone sawing wood. Later it was condensed and simplified just by using the letter Z or a series of Z's (ZZZZZZ = Sawing Wood = Snoring Sound)

西方漫画常以zzz表示画中人物在睡觉。 有人说z是出于doze（打瞌睡）、snooze（小睡） 二字，也有人说z是模拟鼾声。 无论如何，俚语常以zizz指「睡觉」，作名词、动词都可以， 例如：

西方漫画常以“zzz”表示画中人物正在睡觉。 有人说z是出于doze（打瞌睡）、 snooze （小睡）二字，也有人说z是模拟 鼾声 。 无论如何，俚语常以 zizz 指「睡觉」，作名词、动词都可以，Tocatch（或get/make）some/afewz's就是指“睡觉”。

Many different shapes appear, each with a letter in the middle. Zig. Zag. Zigzag. The shapes fill the matching holes to spell words. who goes this way and that. my coat or shoes or hat. A little zigzag boy sings and dances in front of his house. His cat appears with his hat. Three chickens dance across the screen. who flutters here and there.