- 老成: experienced; steady
- 老成: 1.(经历多, 做事稳重) experienced; steady 少年老成 young but steady; old head on young shoulders2.(姓氏) a surname 老成方 laocheng fang
- 促成者: causer; contributor; precipitator
- 构成者: constituent; constitutor
- 集成者: integrator
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