Ccna
abbr. 思科认证网络支持工程师（Certified Cisco Network Associate）
🗣️ 情景例句
What kind of guarantee do you offer?
这种车有售后服务保证吗？
A pound of care will not pay an ounce of debt.
深忧偿不了小债。
At the same time, a number of teenagers climbed on to the dish and held a little party of their own.
就在这个时候，许多十几岁的孩子爬盘子举行他们自己的集会。他们跳起了舞，盘子难以承受。