"That's why historically we see an increase in romantic love as a basis for forming long-term relationships," she says.

她说：“这就是为什么从历史上看，我们认为情爱的升温是建立长期关系的基础。”

youdao

Other hormones, oxytocin and vasopressin, kick in later and appear to be crucial for forming long-term partnerships.

其它激素，后叶催产素和后叶加压素(oxytocin and vasopressin)，对以后形成长期伴侣关系似乎起重要作用。

youdao

Angolans turned out to vote early Friday forming long lines before dawn outside the country's 14, 000 voting stations.

安哥拉人星期五一大早就前往投票站。在破晓之前，1万4千个投票站外面就排起长长的队伍。

youdao

The four Dublin schoolboys have come a long way since forming in 1976.

CNN: U2's new 'POP' culture

Long lines began forming early across the nation.

NPR: Kenya Vote Sees Long Lines; Attacks Kill 12

Like smoking itself, the bonds may become habit-forming and bad for your long-term health.

ECONOMIST: Bond markets