premature

由于早产，这个小宝宝需要在保温箱里多待几周。

The ___premature baby had to stay in the incubator for extra weeks.

农民担心霜冻会导致果实过早成熟。

The farmers feared frost would cause ___premature ripening of the fruits.

她过早的结论导致我们浪费了很多时间。

Her ___premature conclusion caused us to waste a lot of time.