Do not eat fresh produce from the garden if it has come in contact with floodwater.

VOA: special.2010.07.19

One of the beautiful things about antibodies is that one your immune system is able to make antibodies against all the thousands, ten thousand, hundred thousand different pathogens that you'll come into contact with in your lifetime.

抗体的一个绝妙之处就在于,你的免疫系统可以分泌抗体来对抗,成千上万的 甚至数以十万计不同病原体,这些病原体都是你一生中可能会遇到的

耶鲁公开课 - 生物医学工程探索课程节选

Food that has come in contact with floodwaters can sicken anyone who eats it.

VOA: special.2010.07.19

Children come in contact with high levels of pesticides through farming.

VOA: special.2010.05.26

It's the Botanic Garden's largest collection. "I think when most people come in contact with orchids, I think the orchids take hold of them, it's like you get hooked on them.

VOA: standard.2010.02.21