单词：retention pin
retention pin的用法和样例：
例句
- Fit a dowel pin here to keep the adjacent parts aligned.在这里装一个定位销，使相邻的两个部件对准。
单词：retention pin 相关文章
在今天我们要讲的两个习惯用语里，一个关键的字就是：pin。Pin这个字单独用的时候可以解释为：别针。但是，pin这个字也有不少和其他字合在一起用的时
美国习惯用语
Libyan rebels and government forces have staged several offensives in the battle for control of the country. To get a clearer picture of the situation on the ground, VOA's Susan Yackee spoke to our correspondent Phil Ittner who is currently in the op
VOA标准英语2011年(三月)
Despite the often raw intensity of his poetry, Robert Pinsky, a lanky, handsome man in his seventies, has the relaxed air of a jazz musician as he prepares to read an excerpt from his long poem History of My Heart. The poet explains that the work re-
VOA标准英语2011年(一月)
One of Nashville's most respected musicians, saxophonist and composer Dennis Taylor, always dreamed of recording his own album as a bandleader. That dream came true with his debut set Steppin' Out. But, Dennis never lived to see its much-anticipated
VOA标准英语2011年(三月)
今天我们要学的词是spin。 Spin, 是旋转。The skater is practicing her jumps and spins, 不过spin 这个词要是用到政治上，那就有别的意思了。比如：'Spin wars' are expected for Obama and Clinton, 有人说，奥巴马和希
英语单词荟萃
Foreign companies are said to be pinning high hopes on the forthcoming China International Import Expo (CIIE) in Shanghai. Serafino Bartolozzi, vice chair of the EU Chamber of Commerce in China, suggests the Import Expo will be an opportunity for for
2018CRI中国国际广播电台
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
英文 Top100精选绘本（PDF文本下载） 更多儿童英语： 汪培珽儿童英文分级书单《神奇树屋》 唐顿庄园 爱探险的朵拉
英文Top100精选绘本
Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last
60秒科学
By Barry Newhouse Uchrai Sar 26 February 2008 Last year much of Pakistan's scenic Swat valley had been taken over by a band of Islamic militants. Fighters loyal to radical cleric Maulana Fazlullah seized control of police stations and set-up crude co
VOA常速英语2008年（二月）
今天我们要学的词是 retention. Retention 名词，意思是保留。电信公司沃达非宣布新政策，给产妇16周带薪产假，恢复工作后每周只需上30个小时的班。Vodafone says talent retention is one of the goals for d
英语单词荟萃
Girl you melt me like ice and whiskey But those blue flinin looks that you give me, You can't hide what's inside And it's killing me right now to see you wanna slip off me, dear Why should we go round and round the truth, like we didn't do it? Every
美国乡村音乐