- 重点词汇
- 搜索引擎
search engine
- 咨询
consult; seek advice; inquire; counsel; ask for information; consultative; advisory; consultation; advice; inquiry; counseling; consultancy; consulting service; information service
- 广州
Guangzhou; Cantonese
- 引擎
engine
- 原理
principle; theory; fundamental truth; rationale; tenet
- 书籍
books; literature; volume