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結果 : what does leap year mean
3:59

What is a Leap Year?

CGP Grey
5,325,820 回視聴 - 12 年前
2:38

Leap years and why we need them - BBC News

BBC News
272,511 回視聴 - 4 年前
8:41

Why Do We Have LEAP YEARS? | What Is A LEAP YEAR? | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
2,627,797 回視聴 - 4 年前
3:22

The Leap Year as Explained by Neil deGrasse Tyson | StarTalk

National Geographic
345,432 回視聴 - 8 年前
4:01

What Is a Leap Year?

Epipheo
1,076,365 回視聴 - 12 年前
6:21

Leap Year for Kids

Homeschool Pop
398,592 回視聴 - 4 年前
1:55

How leap year works

Vox
450,220 回視聴 - 8 年前
1:51

What is a leap year and why does it happen every 4 years?

12 News
28,387 回視聴 - 4 か月前
29:57

'An introduction to gene therapies for Rett Syndrome' Dr Daniel Lumsden: LEAP Day Talks

Reverse Rett
60 回視聴 - 2 日前

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7:40

लीप वर्ष क्यों होता है? | Why February Has 29 Days In Leap Year In Hindi | What Is A Leap Year?

Binocs Ki Duniya
102,734 回視聴 - 1 年前
0:35

Leap year — meaning of LEAP YEAR

Meaning of the words
826 回視聴 - 1 年前
4:42

What is a leap year? Why February 29 only comes every 4 years

TODAY
13,846 回視聴 - 4 か月前

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1:56

What is a Leap Year? | Best Learning Videos For Kids | Thinking Captain

Thinking Captain
127,882 回視聴 - 7 年前
5:26

Top 5 Facts about Leap Years

WatchMojo.com
223,072 回視聴 - 8 年前
16:19

Leap Year & Leap Day Energy, Spiritual Meaning & Psychic Insight

Natalia Kuna
2,319 回視聴 - 4 年前
2:26

2024 is a Leap Year. Here's what that means

5NEWS
4,571 回視聴 - 5 か月前
4:45

THE REASON WE HAVE A LEAP YEAR THE HIDDEN SECRET FINALLY REVEALED

Connect 2 Church Online
300 回視聴 - 1 年前
8:05

That's Why There Is a Leap Day

BRIGHT SIDE
173,147 回視聴 - 4 年前
3:38

What is Leap Day? Why do we have it? - Find out on Kid History

Kid Explorer
65,596 回視聴 - 4 年前
5:45

Lightworker Lady : The Spiritual Significance Of The Leap Year

Lightworker Lady
1,836 回視聴 - 8 年前