assembly ·noun (BUILD)
Definition: when you build something by joining parts together Level: C2
框架必须足够坚固，以支撑发动机的组装部件。
The frame needs to be strong enough to support the engine ___assembly.
世界各地的各大工厂将自动化机器人集成到它们的装配线上。
Major factories the world over incorporate automated robots into their ___assembly lines.
复杂机械的组装需要精密工具和熟练工人。
The ___assembly of the complex machinery requires precision tools and skilled workers.