upon the back of
US /əˈpɑn ðə bæk əv/
・UK /əˈpɒn ðə bæk əv/
B2 中高級
prep. phr.由於，依靠
The company expanded rapidly upon the back of new investments.
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- The front room was plainly furnished as a sitting room and led into a small bedroom, which looked out upon the back of one of the wharves.
Isa Whitney，已故 Elias Whitney 博士（神學院院長）的兄弟，
- which looked out upon the back of one of the wharves.
臥室窗戶朝向碼頭的後方。