Ecos
abbr. 嵌入式可配置操作系统（Embedded Configurable Operating System）；扩展式通信操作系统（Extended Communication Operating System）
🗣️ 情景例句
and she's crying.
她一直哭。
It's a long story.
说来话长。
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。