The Basics of Freshwater: Crash Course Kids 14.1
4:16
YouTubeCrash Course Kids
The Basics of Freshwater: Crash Course Kids 14.1
We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Course Kids, Sabrina talks about the difference between freshwater and saltwater and why ...
已浏览 103.6万 次2015年6月9日
Swimming Pool Design
Women's Swimming 50m Freestyle - Semi-Finals | London 2012 Olympics
8:36
Women's Swimming 50m Freestyle - Semi-Finals | London 2012 Olympics
YouTubeOlympics
已浏览 373.9万 次2012年8月3日
How To Swim Without Getting Tired
10:53
How To Swim Without Getting Tired
YouTubeMySwimPro
已浏览 211.4万 次2023年2月24日
Smooth swimming step by step
9:33
Smooth swimming step by step
YouTubeSkills N' Talents (swimming)
已浏览 1447.5万 次2019年10月30日
热门视频
The water (hydrologic) cycle
2:16
The water (hydrologic) cycle
YouTubeMooMooMath and Science
已浏览 37.1万 次2018年10月28日
Water Water Everywhere | Learn All About Water For Kids
8:51
Water Water Everywhere | Learn All About Water For Kids
YouTubeLearn Bright
已浏览 49.8万 次2021年11月30日
Unique Earth: The Essence of Water | Full Documentary
52:00
Unique Earth: The Essence of Water | Full Documentary
YouTubespace and science
已浏览 234.8万 次2022年12月9日
Swimming Pool Workout
Muscle Conditioning in the Water - FREE 37-minute total body pool workout - includes notes
37:42
Muscle Conditioning in the Water - FREE 37-minute total body pool workout - includes notes
YouTubeFitmotivation
已浏览 25.3万 次2022年1月13日
Athlete Pool Workout for SPEED and POWER
8:09
Athlete Pool Workout for SPEED and POWER
YouTubeGarage Strength
已浏览 2.3万 次2021年6月7日
HIIT Exercises for the Pool
4:23
HIIT Exercises for the Pool
YouTubeACEfitness
已浏览 101.8万 次2015年7月29日