| 单词 | liftoff |
| 释义 | liftoff 1 ENTRIES FOUND: plural liftoffs plural liftoffs Learner's definition of LIFTOFF : the upward movement from the ground by a rocket, helicopter, or space vehicle as it begins flight（火箭、直升机、航天器的）发射，起飞，升空 [noncount]
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。