observed reading的用法和樣例：
例句
- Do you remember the reading on the meter?
你記得表上的讀數嗎？ - The dial is provided with a plexiglass window for clear reading.
標度盤(pán)裝了有機玻璃視窗，讀數清晰。 - Do you remember the reading on the meter?
你記得表上的讀數嗎？ - The dial is provided with a plexiglass window for clear reading.
標度盤(pán)裝了有機玻璃視窗，讀數清晰。
