upgrade [ˌʌpˈgreɪd]

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单词级别

第6级

基本释义

vt.提高，加强，改善；n.提高，改善

英英释义

to improve the quality or usefulness of something, such as a machine or a computer program , or give a person a more important job or state that their job is more important than it was in the past

参考例句

We need to upgrade the status of teachers. 我们需要提升老师的地位。
To upgrade a clerk to manager. 将办事员提升为经理。

upgrade [ˌʌpˈgreɪd]

单词级别

基本释义

英英释义

参考例句

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