3PHRASAL VERB [usually cont](时间)临近,紧挨在…之前 The period of time leading up to an event is the period of time immediately before it happens. (时间)临近,紧挨在…之前
...the weeks leading up to Christmas. [VERBPREP.PREP. noun]
圣诞节前的几个星期
4PHRASAL VERB (把谈话)引向(某个话题) If someone leads up to a particular subject, they gradually guide a conversation to a point where they can introduce it. (把谈话)引向(某个话题)
I'm leading up to something quite important. [VERBPREP.PREP. noun]