单词/词组检索

upgraded
级别	附加级
音标	[ 'ʌpgreɪdɪd ]
解释	升级的，提升的
英英释义
发音
例句	1. They upgraded the land by improving it with new buildings. 他们建造新楼房来提高土地的等级。 2. Our legation was upgraded to an embassy. 我们的公使馆升级为大使馆。