| 单词 | polarized plug |
| 释义 | > as lemmaspolarized plug polarized plug n. North American a two-bladed plug with one blade larger than the other, so that it can only be inserted into the socket one way round. ΚΠ 1930 Decatur (Illinois) Herald 7 Sept. 22/1 The speaker is connected to the chassis with a convenient polarized plug with prongs arranged so as to prevent improper connection. 1999 C. Mendelson Home Comforts lxi. 722/1 Polarized plugs are another antishock safety feature that you should respect. < as lemmas |
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