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
So cuddly. The beautiful crib from Mom and Dad.
抱起来真舒服。爸爸妈妈送的漂亮婴儿床。
Who's the second?
下一位是谁？
John asked Grace to marry him，
约翰向格雷斯求婚。