| 单词 | switch |
| 释义 | switch n. & v. --n 1. a device for making and breaking the connection in an electric circuit. 2. a a transfer, change-over, or deviation. b an exchange. 3. a slender flexible shoot cut from a tree. 4. a light tapering rod. 5. US a device at the junction of railway tracks for transferring a train from one track to another; = POINT n. 17. 6. a tress of false or detached hair tied at one end used in hairdressing. --v 1. tr. (foll. by on, off) turn (an electrical device) on or off. 2. intr. change or transfer position, subject, etc. 3. tr. change or transfer. 4. tr. reverse the positions of; exchange (switched chairs). 5. tr. swing or snatch (a thing) suddenly (switched it out of my hand). 6. tr. beat or flick with a switch. Phrases and idioms switch-blade a pocket knife with the blade released by a spring. switched-on colloq. 1. up to date; aware of what is going on. 2. excited; under the influence of drugs. switch off colloq. cease to pay attention. switch over change or exchange. switch-over n. a change or exchange. Derivatives switcher n. Etymology: earlier swits, switz, prob. f. LG |
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