马蹄形推力轴承

On National Geographic Channel's Taiwan to the World 2, we take a look at some of the exciting things that are going on right here on our island. First, step inside the secret world of the great kung fu1 masters of Taiwan. Then, find out how Taiwanes

发表于:2018-11-30 / 阅读(105) / 评论(0) 分类 常春藤生活英语

When I meet difficulties, I will be very impatient and want to give up. Some day I realize that if I keep running away all the time, I will be a loser and make no difference. So I try to get over my fear and become patient. Now I no longer feel afrai

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 英语作文

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十二)月

LOS ANGELES, April 8 (Xinhua) -- NASA's Wide-field Infrared Survey Explorer (WISE) has discovered a rare asteroid that traces out a horseshoe shape relative to Earth, the Jet Propulsion Laboratory (JPL) said on Friday. Unlike most near-Earth asteroid

发表于:2019-01-11 / 阅读(59) / 评论(0) 分类 英语新闻

今天我们要学的词是bearing. Bearing is spelled b-e-a-r-i-n-g, bearing. Bearing 意思是关系,意义。我们常用 to have bearing on something 意思就是同某事有关系,对某事有影响。The decision had much bearing on the way

发表于:2019-02-05 / 阅读(66) / 评论(0) 分类 英语单词荟萃

For over 2000 years, the good old iron horseshoe has remained the only reliable footwear for horses, but an Austrian company is ready to take the horse out of the Iron Age with the worlds first equine running shoes, the Megasus Horserunners. 两千多年

发表于:2019-02-08 / 阅读(104) / 评论(0) 分类 趣味英语