词族 · liftoff
词形变化
英语词源
- liftoff (n.)
- also lift-off, "vertical take-off of a rocket, etc.," 1956, American English, from lift (v.) + off.
权威例句
- 1. Why does a space shuttle get hotter on reentry than on liftoff?
- 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听 吧 .
- 2. The six crew members flew back to the Kennedy Space Center ahead of Wednesday's planned liftoff.
- 六名机组人员在周三计划发射前返回肯尼迪空间技术中心.