●ˌread ˈup on sb/sth●ˌread sb/sth ˈup ( ˌread ˈup about sb/sthless frequent) to read a lot about a particular subject in order to learn about it（就某一课题）广泛阅读，博览群书◆Have you been reading up on the history of the island? 你是不是一直在大量阅读这个岛的历史？◆I’ve been reading this place up in the library. 我一直在图书馆查阅这个地方的相关资料。[v + adv + prep][v + adv + n][v + n/pron + adv]