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
What's happening with you these days?
你近来好吗？
I'm sorry. You're right. I should have asked.
对不起。你说得对，我本该先问一声的。
or of the habits of the social insects, let us say.
和昆虫群居的习性