Pre-qualifying
预选赛的；资格赛的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
[计] 限定的, 限制的
🗣️ 情景例句
And ...?
而且……
When sorrows come, they come not single spies, but in battalions.
祸不单行。
How old are you?
你多大啦？