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
My mom's decorating it right now.
我妈妈正在淋奶油。
How long have you had this pain?
疼痛多久了？
Could I have those two tickets, please?
这两张票给我行不行？