| 单词 | liftoff |
| 释义 | liftoff /lift"awf', -of'/, n. 1. Aeron. , Rocketry. a. the action of an aircraft in becoming airborne or of a rocket in rising from its launching site under its own power. b. the instant when such action occurs. 2. Informal. the launching or commencement of a project, plan, etc.: The liftoff of the sales campaign will be next month. adj. 3. that removes by lifting off; capable of being lifted off: a liftoff correction tape for typewriters; magnetized, liftoff nameplates. Also, lift-off. [1955-60; n., adj. use of v. phrase lift off] |
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