Eiff
abbr. enemy identification friend-or-foe 敌方敌我识别
🗣️ 情景例句
I know, Sam.
我知道，Sam。
It's too sour.
太酸了。
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出远门的人常常需要决定是走旱路、水路，还是坐飞机。