Ccna
abbr. 思科认证网络支持工程师（Certified Cisco Network Associate）
🗣️ 情景例句
Have gone to the railroad station.
去火车站。
He is the wise man who is the honest man.
诚实的人就是聪明的人。
With experience, and with improved apparatus,
根据经验和改进了的仪器，