单词:fatigue crack growth
单词:fatigue crack growth 相关文章
Larry和李华刚刚看完Robin Williams主演的一部新的喜剧片。两人正准备离开戏院。今天李华会学到两个常用语:to crack somebody up和fess up. LL: That was great! Robin
歌词如下: Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, Jimmy crack corn and I don't care, My master's gone away.
今天我们要学的词是crack down。 Crack down, 是镇压的意思,一般是针对非法行为。Police are cracking down on drug dealers, 意思是警方打击毒品贩子。The troops cracked down on insurgents, 意思是军队镇压反叛分子
今天我们要学的词是shrug off。 To shrug off, 意思是对某件事情满不在乎。 The stock indexes rose significantly as investors shrugged off last week's disappointing economic growth data, 投资者打消了上星期令人失望的经济
今天我们要学的词是shrug off。 To shrug off, 意思是对某件事情满不在乎。 The stock indexes rose significantly as investors shrugged off last week's disappointing economic growth data, 投资者打消了上星期令人失望的经济
Science and technology 科学技术 Metal fatigue in old aircraft 老旧飞机的金属疲劳 Flying rivets 飞行侦查兵 A new technique that listens for cracks in ageing aircraft 一项侦听老化飞机断裂的新技术 WHEN they were built, no