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单词
on-off
释义
on-off
/ˈɒnɒf,ˈɔːnɔːf/
a.
1.
开关的,双位的,接通断开的
be controlled by an
on-off
pneumatic system
受开关风动系统的控制
2.
(关系)
断断续续的;不稳定的
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snowdrop tree
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snowed under
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snowfalls
snow-fence
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snowfields
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更新时间:2026/5/21 20:31:20