liftoff
n.
also lift-off, "vertical take-off of a rocket, etc.," 1956, American English, from lift, v. + off.
| 词汇 | liftoff | 
| 词根词缀 | Online Etymology Dictionary liftoff n. also lift-off, "vertical take-off of a rocket, etc.," 1956, American English, from lift, v. + off. | 
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