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
It's the world's largest island, but it's also the world's smallest continent.
它是世界上最大的岛屿，同时也是世界上最小的洲。
The end crowns the work.
工作成败要看结果。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？