It was a demeaning and ultimately frustrating experience.那是一次有失颜面并且令人沮丧至极的经历.I'm pretty desk-bound, which is very frustrating.我基本上一直需要伏案工作，这真让人沮丧。...It is a frustrating and difficult time for Pat.对帕特来说，这是一个令人沮丧和颇为艰难...
He was declared bankrupt after failing to pay a £114m loan guarantee.由于无力偿还1.14亿英镑的贷款担保，他被宣布破产。Liam surprised his tutors by twice failing a second year exam.利亚姆两次都没能通过大二的一门考试，这让他的导师们很吃惊。He criticised the government for f...
利用显微镜检查组织，以排除或确认癌变。The tissue is examined microscopically to rule out or confirm cancer.这架显微镜内有价值数百美元的电子元件。The microscope contains a few hundred dollars-worth of electronic bits and bobs.显微镜和望远镜等光学仪器optical instruments s...
最好让转子自由旋转.It is best to allow the rotor to rotate freely.克里斯·雷茨勒已制造出了一种叫波转子的机器的样机。Chris Retzler has built a prototype of a machine called the wave rotor.转子在其凸角之间的三个面上有凹槽.The rotor has recesses in its three faces between ...