- 重点词汇
- 搜索引擎
search engine
- 收录
include; record; embody; incorporate; collect; take on
- 多少
how many; how much; to some extent; amount; number; how; any; well; somewhat; many; much
- 数量
number; quantity; fund; amount; level; volume; measurement; factor; degree; size; quantitative
- 咨询
consult; seek advice; inquire; counsel; ask for information; consultative; advisory; consultation; advice; inquiry; counseling; consultancy; consulting service; information service
- 引擎
engine
- 登录
log in; sign in; register; enroll; log on; login; registration
- 技术原理
know-why
- 在线
online; be online; on line
- 电脑
computer; laptop; electronic computer; electronic brain; electron brain; personal computer; PC