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
You give me the money and I'll give you the goods.
你付钱,我给货。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.