Ccna
abbr. 思科认证网络支持工程师（Certified Cisco Network Associate）
🗣️ 情景例句
I guess you're right.
我想你说得对。
Dogs that bark at a distance bite not at hand.
远处叫得凶的狗，不会近身来咬人。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。