Question

upgraded是什么意思

Answer 1

考纲释义

vt.提高; 使升级; 改善

真题例句:

The current international tax system needs upgrading.

当前的国际税收制度需要升级。

Highlight the necessity of upgrading major U. S. airports.

强调升级美国主要机场的必要性。

Have to be upgraded when new technologies come.

当新技术出现时，必须升级。