Hearts which beat in unison are linked.

心有灵犀一点通。

解析：

which beat in unison是定语从句，修饰hearts; Hearts which beat in unison作整个句子的主语。

unison [ˈjuːnɪsn] n.一致，整齐，契合;同声，异口同声;同音，同度；齐唱，齐奏

in unison (with sb/sth)

1

（做事、说话）一起，一齐


if people do or say sth in unison , they all do it at the same time


2

一致行动；协调地


if people or organizations are working in unison , they are working together, because they agree with each other


3

（歌唱或演奏）齐声，同音，同度


if singers or musicians sing or play in unison , they sing or play notes at the same pitch or at one or more octaves apart


The students gave him a rapturous welcome, chanting in unison: 'We want the king!'.


学生们给予了他热烈的欢迎，他们齐声高喊：“我们要国王！

For churches not normally noted for their ability to act in unison, today's unprecedented move was all the more remarkable.

对于通常无法统一行动的各个教会来说，今天这一前所未有的举动无疑更加非同寻常。


Michael and the landlady nodded in unison.


迈克尔和房东太太一起点头。

The international community is ready to work in unison against him.

国际社会准备联手反对他。

72,000 pairs of hands clapped in unison to the song.

72,000双手和着歌曲整齐划一地打着拍子。

link [lɪŋk]

n.联系;连接;关系;纽带;交通路线;通讯手段

v.把(物体、机器、地方等)连接起来;联系;相关联;说明(两件东西或两人之间)有联系(或关系)

She was my only link with the past

她是我与过去的唯一纽带。

For many, the post office is the only link with the outside world

对很多人来说，这个邮局是与外界联系的唯一纽带。

Kiev hopes to cement close links with Bonn.

基辅希望能加强与波恩的密切关系。

New studies show a curious link between snoring and high blood pressure.

新研究表明，打鼾和高血压之间有某种奇怪的联系。

The corporation has strong links with big investors.

该公司与大投资者关系牢固。

The video cameras are linked to a powerful computer.

这些摄像机是与一台功能强大的计算机相连接的。

The Channel Tunnel links Britain with the rest of Europe.

英吉利海峡隧道把英国和欧洲其他国家连接起来了。

Exposure to ultraviolet light is closely linked to skin cancer.

受紫外线照射与皮肤癌紧密相关。

The two factors are directly linked .

这两个因素直接联系在一起。

Detectives have linked the break-in to a similar crime in the area last year.

侦探认为这起入室盗窃案与去年此地区一类似案件有关。

Newspapers have linked his name with the singer.

报章报道把他的名字与那名歌手连在一起。

The two girls linked arms as they strolled down the street.

两个女孩挽着胳臂沿街漫步而行。

The two spacecraft will link up in orbit.

两艘宇宙飞船将在轨道上对接。

The bands have linked up for a charity concert.

这些乐队已联合起来，准备办一场慈善音乐会。

Kiev hopes to cement close links with Bonn

基辅希望能加强与波恩的密切关系。

The campus is linked by regular bus services to Coventry.

校园与考文垂之间由班车连接起来。

She linked her arm through his

她挽住他的手臂。

The two girls linked arms as they strolled down the street.

两个女孩挽着胳臂沿街漫步而行。


Stalin insisted that the radio link with the German Foreign Ministry should remain open.

斯大林坚持与德国外交部的无线电联系应该保持开放。

A cabinet minister came under investigation for links to the Mafia.

一位内阁大臣因被怀疑与黑手党有关联而受到调查。

These projects will provide vital links between companies and universities.

这些项目将会成为公司和大学之间至关重要的联系纽带。

link up (with sb/sth)

（与…）连接，结合；使连接；使结合

Try not to link your sense of self-worth to the opinions of others.

尽量不要把你的自我价值感和别人的意见联系起来。

《柯林斯高阶英汉双解学习词典》

This phrase serves as a connecting link between the preceding and the following.

这个短语起到了承上启下的作用。

The road links all the new towns together.

这条路把所有的新城镇都连接起来了。

We must link theory with practice.

我们必须理论联系实际。

The police suspect that the two cases may be linked.

警方怀疑这两起案件可能有关联。

The explosions were not thought to be linked in any way.

据信这些爆炸案之间没有任何联系。