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 thanks for the advice about the house.
也谢谢你关于房子的建议。
This man always has clean floors and wet feet.
这个男人常常弄湿了脚刷洗地板。
Thirteen.
13岁。