Tricon
abbr. Triple Coincidence Navigation （有三个地面台的）雷达导航系统（特利康导航系统）
🗣️ 情景例句
if you're not going to be happy about it.
假如你会因为这种事而不快乐的话。
If she could help you, she would help you.
如果她能帮你，她一定会的。[虚拟语气]
Nothing of value was found, but the numerous items which were brought to the surface proved to be of great interest.
但没发现什么值钱的东西，不过打捞出来的众多的物品还是引起了大家极大的兴趣。