Ceq
abbr. carbon equivalent 碳当量
🗣️ 情景例句
But what about your friends?
但你的朋友怎么办？
Do you often study history on Saturday?
你常常在星期六学历史吗？
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。