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
I can organize my time efficiently.
我可以有效地安排时间。
A kite will never be a good hawk.
鸢永不会变成隼。
Antique shops exert a peculiar fascination on a great many people.
古玩店对许多人来说有一种特殊的魅力。