🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
confederation
[[kənˌfedə'reiʃən]]
n. 同盟, 联盟, 组织联盟
🗣️ 情景例句
And you never know
而你永远也猜不到
As soon as he comes, we'll let him know.
他一来，我们就告诉他。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。