🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
[经] 买者
🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
I'm behind in my work.
我工作进度落后了。
This evening the cave was ours. It belonged to no one else.
今天晚上，山洞是我们的，它不属于别人。