hoping for something, especially something good and exciting 期待的；预期的；期望的 - expectant mother/father/parent
used to describe somebody who is going to have a baby soon or become a father 准（母亲、父亲、父母） Smoking by expectant mothers may increase the chances of brain damage in their babies. 孕妇吸烟可能会增加婴儿脑损伤的机会。
Word Originlate Middle English: from Latin exspectant- ‘expecting’, from the verb exspectare ‘look out for’, from ex- ‘out’ + spectare ‘to look’.