Alkaline earth metal Any of the six chemical elements in the second leftmost group of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium). Their name harks back to medieval alchemy.

碱土金属:碱土金属是元素周期表中的IIa族元素,即铍、镁、钙、锶、钡、镭。名称的来源可追溯至中世纪的炼金术。

When one dog harks at a shadow a hundred others join in.

一犬吠影,百犬吠声。

This proposition harks back to an engineer

这个主张最初是一位工程师提出来的。

||1: Mr Helgeland mines the imagery of old sports movies to show the way Robinson faced up to a series of ferocious pitchers. And he skilfully uses symbolism from 1940s films to create a national mood that harks back to a gentler time. ||2: “42” is a tribute to a post-war America in which sports stars had not yet been corporatised and the victory over fascism abroad was a recent memory. ||3: The fact that this week's Boston bombs were detonated on what has come to be called “Jackie Robinson Day” makes his film seem more poignant.

||1:海尔格兰德挖掘出旧版本电影中罗宾森面对一个个实力强大的投球手这些场景的内涵意义，并且他灵活运用了1950年版电影里的经典镜头，营造出回到那个和平年代的民族情绪。||2:《42号》是向体育明星还没被商业化运作的战后美国的致敬，也是对世界反法西斯胜利的一次回忆。||3:事实上，这周发生波士顿爆炸案的日子，正是“杰基罗宾逊纪念日”，这也使得电影显得更加意味深长。

||1:At such moments, people are drawn to nostalgia as a source of reassurance and self-esteem.||2:Many Brexiteers hope that leaving the European Union means they will once again belong to a dynamic “global Britain”.||3:Catalans evoke an idealised past in pursuit of a distinctive identity. Alarmed by corruption and recession, Brazilians have elected a president who harks back to the certainties of a military dictatorship they rid themselves of three decades ago.||4:When Mr Trump boosts coal and steel, men who feared that they had been marginalised in dirty, dying industries suddenly feel as if they are worth something again.

||1:在这种时刻，人们都被作为安慰和自尊来源的怀旧情绪所吸引。||2:很多脱欧派希望脱离欧盟，这意味着他们希望再次迎来一个充满活力的“全球化英国”。||3:震惊于腐败和衰退的巴西人选出了一位让人回想起三十年前带领他们摆脱军事独裁统治的总统。||4:特朗普推动煤炭、钢铁业发展，担心在肮脏、有死亡危险的行业被边缘化的人们突然觉得自己又有价值了。

Nick Varney of the local University and College Union (UCU) branch said the policy "harks back to Victorian times. "

地方高校工会联盟分部的尼克•瓦尼说这项政策（让人感觉就像是）“回到了维多利亚时代”。

His generous patronage of exiles of all stripes harks back to the fabled courts of Baghdad and Cairo, with their similarly fabulous wealth.

他对各种各样的流亡者给予慷慨的帮助，让人回想起了巴格达和开罗虚幻的宫廷，相似的是他们都拥有巨额的财富。

This harks back to recent recrimination between America and Israel, mainly over settlements.

这又再次提及最近美国和以色列在定居点问题上的相互指责。

This kind of gain, fed by sentiment seemingly divorced from fundamentals, harks back to the dot-com boom of the late 1990s.

这种似乎由于情感与法则脱离而得到的收益像是回到了20世纪90年代末时互联网兴起的时候

Tuesday's deal with Apple harks back to a lost era when Nokia was still the leading pioneer of mobile technology.

周二与苹果公司的官司使得诺基亚又重新回到失去的时代——诺基亚仍然是移动技术的先驱。