Definition: when you build something by attaching parts together Level: C2
框架需要足够坚固以支撑发动机的组装。
The frame needs to be strong enough to support the engine ___assembly.
沙发组装中三个座位之一下面的弹簧似乎也坏了。
The spring beneath one of the 3 seats integrated with the sofa ___assembly also seems to be broken.
飞机的最终组装需要精确度和技能。
The final ___assembly of the aircraft requires precision and skill.
