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
You never looked better.
再漂亮不过了。
Very well.
很好。
When she got to the shop, she bought all the things on the list.
去到商店后，她把单上所列物品全都买了。