Efc
abbr. earth fixed coordinate 固定坐标系; electronic feedback carburetor 电子反馈汽化器; engineered for color 彩色（电视机）工程; Evergreen Fir Corporation (initials) 常青枞树公司（组织名称的第一个字母）
🗣️ 情景例句
Does this make me look fat?
我穿这件显胖吗？
Please sit down and have a glass of juice.
请坐下来喝一杯果汁。
and the profits from the exhibition were used to build museums and colleges.
博览会的赢利用来建造博物馆和高等学校。