Defcon
n. 核战危机（游戏名）
🗣️ 情景例句
OK.
好的。
The comet will appear in the southern sky.
彗星出现在南方的天空。
You will not have to spend the next few days recovering from a long and arduous journey.
用不着因为漫长的旅途的辛苦而花几天时间休息来恢复精神。