Skin is naturally slightly acidic and has a pH of 5.5.皮肤具有天然弱酸性，pH值为5.5。A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。Pure water is neutral with a pH of 7.纯水是中性的，酸碱度为7。...
Ms Halliwell visited the Philippines in her capacity as a Special Representative of Unicef...哈利韦尔女士以联合国儿童基金会特别代表的身份访问了菲律宾。The new head of state should be chosen by an 87 member representative council.新的国家元首应该由包括87名成员的代表委...
I sang a duet at a Karaoke bar.在卡拉ok厅唱二重唱.He held a three-hour family Karaoke session in his hotel, belting out Sinatra and Beatles hits.他在他的酒店举行了一场历时3个钟头的家庭卡拉OK演唱会，其间高歌了辛纳屈和甲壳虫乐队的一些热门歌曲。Recently, one brilliant company s...
用审美的眼光欣赏风景an aesthetic appreciation of the landscape当然, 有时我们的标点符号也许只是个审美的问题.Sometimes, of course, our markings may be simply a matter of aesthetics.后来人们有了闲暇及审美的考虑, 美观的篱笆就被建造出来了.Later, as time permitted and aesthetic cons...
Sailing boats lay at anchor in the narrow waterway.帆船停泊在狭窄的水道上。He squeezed through a narrow opening in the fence.他从围栏上的狭窄缺口里挤了过去。He was criticised for being boring, strait-laced and narrow-minded.他被指无趣乏味，古板守旧，心胸狭窄。...
Our path is to talk away from the gangrenous boundary.我们的道路,就是不说那些已经烂掉的东西.Objective : To investigate affect of wound infection rate in gangrenous appendicitis after appendectomy.目的了解坏疽型阑尾炎术后放置腹腔引流对切口感染的影响.Gangrenous necr...