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单词
step up
释义
□
step up
1
a
increase, intensify
增加;加强
must step up production
必须增加生产
b
Electr.
increase (voltage) using a transformer
【电】
(
用变压器
)
增强
(
电压
)
2
come forward for some purpose
(
为某个目的而
)
走近
‣
Main Entry:
step
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更新时间:2025/8/23 21:33:59