cracks-凯发k8官网

20-11-26 1. that cracks me up. 这让我哈哈大笑。 动词搭配crack someone up常用于口语会话中，意思是让某人捧腹大笑。 2. its priceless. 这太好笑了。 形容词priceless在这里的意思并不是贵重的、无价的，而是形容某件事极其好笑。 3. its hilarious. 这真好笑。 形容词hilar...

15-03-13 a system for using sound waves to spot potentially dangerous cracks in pipes, aircraft engines and nuclear power plants has been developed by a university of strathclyde academic. a study found that transmitting different types of sound waves can he...