电视机是我最早接触的 Televisions is my earliest contacts
家庭是婴儿在人类社会里的最早接触，并且提供了照顾、爱以及供婴儿成长的需要。
Family provides the earliest human contact for an infant and has the responsibility of giving all the attention, love, and support a child needs.
自然暴露的猪在与实验用感染的猪接触后最早3天，最迟7天可以检出病毒。
Naturally exposed pigs shed virus as early as 3 days and as long as 7 days after contact with experimentally infected pigs.
医学生物学作为高等医学院校的一门基础课，是医学生最早接触与医学有关的课程之一。
Medical biology is one of basic and early field that connect with other preclinical medical courses for medical undergraduate students.
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