Energy-efficient
大学 Collegeadj. 能效高的；高能效的
🧩 词语组成解析
efficient
[i'fiʃənt]
adj. 有效率的;（直接）生效的;能干的;（因省钱、省时或省力等而）收效大的;
🗣️ 情景例句
If anyone has any objections, now is the time to voice them.
如果有人反对，现在就可以说出来。
You could say that too.
也可以这么说啦！
Mr. Jones is with his family.
琼斯先生同他的家人在一起。