step-down
形容词 adj.
英文释义
形容词 adj.
- That decreases in stages.
-
That reduces a voltage.
— The internal lighting of the new locomotives can be supplied either from the battery or the dynostarter, and may also be connected to an external supply of 200-250 volts a.c. through a changeover switch and a step-down transformer.
词源
Etymology tree
English step downdeverb.
English step-down
Deverbal from step down.
English step downdeverb.
English step-down
Deverbal from step down.
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数据来源: Wiktionary