throughout the course ofpreppreposition: Relates noun or pronoun to another element of sentence--for example, "a picture of John," "She walked from my house to yours."
(all the way through)
在…的整个过程 zài … de zhěng gè guò chéng
自始至终 zì shǐ zhì zhōng
Throughout the course of the day, the heat from the sun grew more intense.