听力文本

The human head lice, Pediculus humanus capitis belong to the Anoplura family. A. N. O. P. L. U. R. A.
虱子，又叫人类头虱 类属于虱目 A. N. O. P. L. U. R. A.
T.S., When you drawing the legs, make sure you observe not just how many there are but the exact distance between them.
T.S.，你画腿的时候 不仅要注意有几条腿，还要注意他们之间确切的距离
Yeah. The exact distance between them.
是啊，他们之间确切的距离
Beware of mediocrity, its the fungus of the mind.
谨防平庸 它是头脑中的霉菌
We must constantly fight against it or creeping to everything we do.
我们必须时刻与之斗争 不然它将干扰我们做的每件事
Darn! Those got away.
该死！ 虱子跑了
A lasso to catch him.
瞧给你做了个套索抓住它
Thanks, Dad.
谢了，老爸
A fool, by definition is the one who turns, what is beyond his middle grasp, will do one big joke.
傻瓜的定义是，一个将自己不能理解的事物转变成一个大笑话的人
Then a few days later, at the end of the hallway, their hands brushed against each other, as if they were secretly exchanging a few seeds.
然后，几天后，在走廊转角，他们的手掌轻擦而过 就好像在秘密交换几粒种子一样
What?
干什么？

重点讲解

distance 距离；间距:
a short / long distance
短/长距离
the distance of the earth from the sun
太阳到地球的距离
a distance of 200 kilometres
200 公里的距离
What's the distance between New York City and Boston / from New York City to Boston?
纽约市离波士顿有多远？

belong to是(某族类或纲目)的一部份；属于:
Lions and tigers belong to the cat family.
狮子和老虎属于猫科。

beware of当心；小心；提防:
Motorists have been warned to beware of icy roads.
已经提醒开车的人当心冰封的路面。
Beware of saying anything that might reveal where you live.
说话时谨防透露你的住址。

mediocrity平庸；普通；平常:
His acting career started brilliantly, then sank into mediocrity.
他的演艺生涯开场时轰轰烈烈,然后就变得庸庸碌碌。
a brilliant leader, surrounded by mediocrities
周围全是些庸才的杰出领导

grasp理解(力)；领会:
He has a good grasp of German grammar.
他德语语法掌握得很好。
These complex formulae are beyond the grasp of the average pupil.
这些复杂的公式是一般小学生不能理解的。

视频及简介
讲述了一位美国少年因获得世界科学大奖被邀请到华盛顿演讲，独自穿越美国的故事。