Of an electrical device: corresponding to or producing the state of being disconnected or off (sense A. 4b). Also in extended use.
| 单词 | θ77618 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [adjective] > turning on or off (3) off1899 Of an electrical device: corresponding to or producing the state of being disconnected or off (sense A. 4b). Also in extended use. on1899 Corresponding to the state (of an electrical device) of being on (A. 11b). on-off1931 Of a switch, control, etc.: that turns something on or off. |
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