Etsu
abbr. Energy Technology Support Unit 能源技术提供部
🗣️ 情景例句
At least we are not the only ones facing these problems.
至少不光是我们面临这样的问题。
He that would know what shall be must consider what has been.
欲知未然，须思已然。
He goes to Chinese classes every week.
他每周都要去上汉语课。