- 重点词汇
- 电脑
computer; laptop; electronic computer; electronic brain; electron brain; personal computer; PC
- 下载
download; downloading
- 正式
formal; official; regular; proper; written; dressy; prim; formality; formally; officially
- 官方
authority; the authorities; official; formal; legitimate; authoritative; officially; formally; by the government; of the government