We tried to contact all former students, but one or two slipped through the net.

我们试图同所有的校友取得联系，但有一两个未能找到。

《牛津词典》

Ants store food, repel attackers and use chemical signals to contact one another in case of attack.

蚂蚁储存食物，击退攻击者，并使用化学信号联系彼此以防被攻击。

youdao

I just tell them it's not my area, and promise to contact one of our people from that field and e-mail them back.

我只是告诉他们这不是我的业务范围，并保证联系我们那个领域的人，给他们回邮件。

youdao

Indian space officials lost contact with Chandrayaan-One late in August.

VOA: special.2009.09.30

Now if I put them in contact with one another, the plasmid that's been opened and fragments of the DNA - special fragments that I've produced with the same restriction enzyme, they'll have the same sticky ends, they will naturally hybridize with one another.

如果我让它们互相接触,已经切开的质粒和DNA片段--,这DNA片段是我已用同种限制性内切酶,处理过的特别片段,这两者会有相同的粘性末端,它们会自然地相互杂交

耶鲁公开课 - 生物医学工程探索课程节选

Because the speakers and those in atten- dance are routinely in contact with one another and are often col- laborating on analytical and educational efforts, it is our intention that Proceedings give the reader a unique window into how those in the national security policy community convey and exchange ideas with one another, among friends and colleagues.

CENTERFORSECURITYPOLICY: National Security Policy Proceedings, vol. 5: Spring 2011

The staff checked my records to see if I had been phoned, and said that no-one had tried to contact me, and that it must therefore be a scam.

BBC: Have Your Say: Automated debt calls

If you're one of 170, 000 customers who now have different beneficiaries named for separate IRAs of the same type or different beneficiaries for different mutual funds within a single IRA, Vanguard will apply the newest beneficiary form to all your IRAs of one type--unless you contact Vanguard and direct otherwise.

FORBES: Is it time to move your IRA?