Ecn
abbr. 工程变更通知（engineering change notice）；显示拥塞通告（Explicit Congestion Notification）；电子通讯网络（Electronic Communication Networks）；应急通信网络（Emergency Communications Network）；表皮细胞坏死溶解（epidermal cell necrolysis）
🗣️ 情景例句
We met at the hospital.
我们在医院里见过。
He that would know what shall be must consider what has been.
欲知未然，须思已然。
Once on the boat, they were taken bolow and their chains were fixed to two bars that ran the length of the ship.
一上船，他们就被带进底舱，他们的镣铐就被拴在两根从船的一头伸到另一头的铁杆上。