Pre-requisite
n. 首要事, 必要事\\na. 首要的, 必须的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Challenge, the feeling of accomplishment, and knowing that you have made a contribution.
挑战，成就感和知道自己做出了贡献。
The hardest thing to learn is to be a good loser.
最难学的一点是做一个输的起的人。
Can you go through them and give me whatever you find?
你把它们仔细查阅一下并把凡是你能找到的东西给我好吗？