- 重点词汇
- 加速器
accelerator
- 正版
legal copy; genuine edition; licensed copy
- 官方
authority; the authorities; official; formal; legitimate; authoritative; officially; formally; by the government; of the government
- 入口
entrance; inlet; gateway; portal; mouth; import; entryway; way; access; orifice; ingress; enter; come in; go in; get in