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
My career as a fashion designer
我以时装设计为事业
It is a small flock that has not a black sheep.
家家难免有败类。
It was stolen twenty years ago when Dan was a boy of fifteen!
这是20年前丹还是一个15岁的孩子时被人偷走的！