A cantilever is a long piece of metal or wood used in a structure such as a bridge. One end is fastened to something and the other end is used to support part of the structure.
例句
...the old steel cantilever bridge.古老的悬臂钢铁桥
英英词典释义
Noun
1. projecting horizontal beam fixed at one end only
Verb
1. project as a cantilever
2. construct with girders and beams such that only one end is fixed;
"Frank Lloyd Wright liked to cantilever his buildings"