A tornado rips across the Missouri Plains. Winds over 150 miles per hour shred everything in the twister's path. When it smashes a trailer home, one man is sucked into the heart of the storm, spun and shaken horrifically. His limp body drops out of

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 国家地理2008年

...Africa. The African plate has been drifting north over millions of years. And when it pushes against the European plate, huge fold s of rock have been forced up and over one another into great moun

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 欧洲自然写真

This is scientific American ,60 second science. Im Chris D..ta. Got a minute? In less you have a pair of noise-cancel headphones. Flying can be annoying to the ears. A lot of low-pitch rumbling makes it into the cabin. The problem is ,the wings ,floo

发表于:2019-01-20 / 阅读(128) / 评论(0) 分类 2015年Scientific American(五)月

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-01-26 / 阅读(28) / 评论(0) 分类 英语听力文摘 English Digest

drink soup (喝汤,清汤) eat porridge (喝粥,粥的浓度高密度大) save money 省钱 deposit money (deposit some money in the bank) 存钱 thick soup 浓汤 thick tea 浓茶 weak tea 淡茶 strong alcohol 烈酒 play the flute 吹长笛 pl

发表于:2019-02-16 / 阅读(39) / 评论(0) 分类 早安英文

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-02-24 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest