1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值;临界值

发表于:2018-12-08 / 阅读(55) / 评论(0) 分类 英文名句短语

Here is some thanksgiving tips food and safety expert Ben Chatman in North Carolina State University. First, do not wash the turkey, which***. The water splashing off a portroy can toss bacteria around your entire food preparation area. Two, s** is t

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(十一)月

Larry和李华刚刚忙完手头的工作。他们一起去吃冰激凌。李华今天要学两个常用语:my treat和ginormous. LL: Well, Li Hua, you just finished a big paper, and I just finished an important project at work. Let's go for ice cr

发表于:2019-01-15 / 阅读(59) / 评论(0) 分类 美国之音《流行美语》

复合材料及汽车词汇 Acetyl 乙酰 Acid-proof paint 耐酸涂料, 耐酸油漆 Acrylic fiber 丙烯酸纤维 Acrylic resin 丙烯酸树脂 Active filler 活性填料 Adapter assembly 接头组件 Addition polyimide 加成型聚酰亚胺 Addition polymer 加聚物 Adjusting valve 调整阀,

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 英文语法词汇

Listen to the patients' questions to a doctor.Check the correct answers that the doctors may response. 1.What caused my stomachache? 2.Do I need to take medicine? 3.What is this d rill for? 4.Is the cavity serious? 5.Can you do something about the ca

发表于:2019-02-17 / 阅读(52) / 评论(0) 分类 英语听力练习题

A: Hey, Gary, great to see you again. Please have a seat. So tell me, what seems to be the problem? B: Thanks, doc. Ive got a really bad toothache! I cant eat anything, and look, my face is all swollen. I think it might be my wisdom tooth. A: Well, l

发表于:2019-02-23 / 阅读(64) / 评论(0) 分类 英语播客-EnglishPod