on and off造句
(31) Lights flashing on and off in my head.
(32) Dials and switches flashed on and off.
(33) But higher speeds than the normal three kilometres per hour pose problems getting on and off the moving walkway.
(34) It's getting dark, so the lights look extra pretty, flashing on and off.
(35) I dressed, got the scooter out, turned the motor on and off I went.
(36) I walked to the front door, checked my watch, and flicked the porch light on and off three times.
(37) There are thousands of tax-paying jobs generated on and off the reservation.
(38) There were a lot of strange noises like the sound of the refrigerator unit going on and off in the trailer.
(39) With precise control both units can be set to operate on and off at the same setting with consequent better heat distribution.
(40) The electricity industry has an extra desire: to switch consumers' equipment on and off from a central point.
(41) They bustled to and fro across the dock and swarmed on and off the ships.
(42) These will turn your lights on and off automatically, giving the impression that your house is occupied.
(43) Footwear gives protection, comfort and warmth on and off the water.
(44) I suspect all doctors must learn how to turn charm on and off like a tap.
(45) It is not some kind of Bunsen Burner that can be turned on and off at will.
(46) From time to time somebody would burst into song or laughter, and some people continued to whisper on and off all through the night.
(47) Elise and Sawyer say they have been the most frequent victims of harassment both on and off campus.
(48) The elastic stretches so that the shoe can be slipped on and off.
(49) In the airport she practiced with her knapsack, trying to slide it on and off.
(50) Visual images flashed on and off at fractions of a second to imprint themselves on the subconscious mind.
(51) This stopcock may need a special key to turn it on and off.
(52) I've been doing smack on and off for about five years.
(53) James mingling with the famous(Sentence dictionary), on and off the screen.
(54) In and out, on and off, they're coming at us from all sides.
(55) She's old and needs help getting on and off the bus.
(56) Reeves has been meeting on and off for two days with Giants management.
(57) Genes are not conscious and do not choose to cooperate; they are inanimate molecules switched on and off by chemical messages.
(58) A couple of years older than dad, she had lived in London for three decades, on and off.
(59) He gives them confidence and compliments, both on and off the court.
(60) Then we went for a walk, with him continually flying on and off my shoulder.
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