be on guard against;watch out for;be vigilant;be on the alert;guard ;
例句:
1、
Bird watchers on the alert for a rare species; cops were on the job and caught them red-handed.
鸟类学家警惕地看的一个稀有品种;警察们很警惕并且当场抓获了他们。
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2、
3、
目前,国内对肺动脉栓塞(PE)的警惕性不高,漏诊率高达80%〔1〕以上,正确诊断率低,误诊率高。警惕性病向儿童蔓延及其对策&附125例临床分析
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据外媒报道,《科学报告》杂志发布的一项研究显示,科学家通过老鼠实验发现,挖鼻孔可使肺炎衣原体通过鼻腔进入大脑,攻击中枢神经系统。这种细菌一旦进入大脑,会促进β淀粉样蛋白沉积,而这正是痴呆症和阿尔茨海默症的病理特征。研究负责人称,在小鼠实验中看到的这一证
alert有警觉的,警惕的,注意的;思维敏捷的;活泼的;等意思,那么你知道alert的过去式是什么吗?今天一起来学习一下alert的过去式以及alert的用法和例句,希望对大家的学习有所帮助!alert的过去式及其它时态alert的过去式:alertedalert的复
awake有醒着的;警惕的;等意思,那么你知道awake的过去式是什么吗?今天一起来学习一下awake的过去式以及awake的用法和例句,希望对大家的学习有所帮助!awake的过去式及其它时态awake的过去式:awokeawake过去分词:awokenawake现在分词:awak
新加坡近日首次发布针对行人的行为规定,要求行人尽量走人行道并靠道路左边走,同时对周围环境保持警惕,避免使用手机或听音乐。Lily Banse@lvnatikk/unsplashPedestrians are urged to stay away, if possible, from paths they have to
上周,#口罩还要戴多久#登上微博热搜。对于这个大家普遍关心的问题,上海市新冠肺炎临床救治专家组组长张文宏教授建议,大家对疫情还要保持高度警惕性。张文宏表示:China still needs to pay close attention to the contagion for the
各位吃货们,生蚝好吃,但要警惕感染风险。有人因此丧命啦!A 55-year-old woman died in October after contracting a flesh-eating bacteria on a trip to visit friends and family in Louisiana.一名55岁的女子前往路易斯安那州看望
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导读:由于男女公平常常不会纳入政绩考量的范围,政府往往不会重视促进男女公平的政策,然而一项预算方法表明,性别公平与经济增长息息相关!IT IS easy to be cynical about government-and rarely does such cynicism go unrewarded. Ta
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导读:很多人认为,清理耳屎是一种健康的个人卫生方式。可是,近日美国的专家们表示,往耳朵里插入异物可能有损听力,甚至会导致失聪。Its often considered to be a sign of good personal cleanliness.清理耳屎通常会被认为是良好个人卫
导读:望闻问切是中医了解病人的一扇窗口。若我们的身体出现一些不适,那么你就有可能是生病了,需要提高警惕。1. Your physical shape1.你的体型If you want to live well into your 60s, 70s, or beyond, you need to start taking your
导读:肥胖害处多,小伙伴们赶快行动起来减肥吧!Global childhood obesity rates are set to sky-rocket in the next few years.全球儿童肥胖率在未来几年里将飙升。By 2025, around 268 million children aged between five and 17 year
纠正四风不能止步,作风建设永远在路上。近日,习近平总书记就新华社一篇《形式主义、官僚主义新表现值得警惕》的文章,对加强党的作风建设作出重要指示。Xi Jinping, general secretary of the Communist Party of China (CPC) Central
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