Ecos
abbr. 嵌入式可配置操作系統（Embedded Configurable Operating System）；擴展式通信操作系統（Extended Communication Operating System）
??? 情景例句
Good idea.
好主意。
False with one can be false with two.
對一個人虛偽，也會對兩個人虛偽。
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里諾布爾附近的高弗。伯杰洞，