英语听力精选进阶版 17406

 

Phone signal in NI to be upgraded¹

MON 17 AUG 2015

An essential digest of daily business news from around Northern Ireland.

1 upgraded   

升级的，提升的

参考例句：

• 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。
• Our legation was upgraded to an embassy. 我们的公使馆升级为大使馆。