单词:nonpropagating fatigue crack
单词:nonpropagating fatigue crack 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.
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fatigue。 Fatigue, 是疲惫的意思。 The soldiers suffered from physical and mental fatigue after the battle, 战役结束后,士兵们身心交瘁。在道路安全方面, Driver fatigue is a deadly problem, 驾驶疲
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