Performance levels
[经] 业绩水准
🧩 词语组成解析
n. 色阶调整；控制色阶；水平, 标准（level复数形式）
🗣️ 情景例句
I must have see you somewhere before.
我一定在哪里见过你。
To type a term paper
用打字机打期末报告
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。