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
Uh, it's four-thirty. Oh my!
啊 ,已经四点半了。啊 ,天啦!
No man is born wise.
聪明非天生。
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.