单词：
单词： 相关文章
OK, today we're going to talk about the mole. 今天我们来谈一下摩尔。 Now, I know what you're thinking: I know what a mole is, 我知道你现在在想：我知道摩尔是什么， it's a small furry creature that digs holes in the ground
TED演讲教育篇
Now, back to the mole. Not that mole. 现在，回到摩尔，不是鼹鼠。 This mole. Yep, this number has a second name.The mole. 这个摩尔，没错，这个常数有另一个名字,摩尔. Chemists use the term mole to refer to the quantities
TED演讲教育篇
And one reason is, this enormous heat sink heats up Greenland from the north. 有一个原因，北方沉积的大量热能加热了格陵兰岛。 This is an annual melting river. But the volumes are much larger than ever. 这是一条每年融化的河
TED演讲国际问题篇
Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies. 水几乎无所不在，从土壤水分及冰帽，到人体内的细胞。 Depending on factors like location, fat index, age, and sex, the average h
TED演讲教育篇
From the entrance, this is nothing like a commercial cave. 从洞口看，这绝不像个商业旅游的山洞。 You're looking at Camp Two in a place called J2, not K2, but J2. 你看到的是二号营地，它搭在J2,不是K2(世界第二高峰）
TED演讲商业篇
And you actually start this game in a drop of water, 其实是从一滴水里开始这个游戏的， as a very, very small single-cell creature, 这时你还是一个很小很小的单细胞生物， and right off the bat you basically just have to
TED演讲教育篇