n. 标准,规格;旗,军旗;度量衡标准;直立支柱;
adj. 标准的,合格的;普遍的,一般的;公认为优秀的;
🗣️ 情景例句
I don't know.
我不知道。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglected.