Ccna
abbr. 思科认证网络支持工程师（Certified Cisco Network Associate）
🗣️ 情景例句
I did make a difference in town.
我确实在镇上发挥了影响力。
The price of the car was so low that it made Stone suspicious of the value.
这辆车的价格如此之低，世通怀疑那车的价值。
and there is a virtual limit on how long we can hope to remain alive,
我们所希望的长寿实际上是有限度的。