step change
noun /ˈstep tʃeɪndʒ/
/ˈstep tʃeɪndʒ/
[usually singular] (British English)- a big change or improvement in something
- His speech called for a step change in attitudes to the environment in the 21st century.
单词 | step change |
释义 | step changenoun /ˈstep tʃeɪndʒ/ /ˈstep tʃeɪndʒ/ [usually singular] (British English)
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