if not so publicly celebrated, as a pioneer in American jet and rocket technology.
而在上世纪30年代和40年代的美国，他作为美国航空和火箭技术的先驱，即使没有如此公开地受到颂扬，也依然是[美国]的宝贵人才。
Actually it is not what an engineer would call a jet, it is a rocket.
其实这不是什么工程师将要求飞机，这是一个火箭。
They do not have a private jet?
他们不是有私人飞机吗？
The runway is not long enough for a jet liner to sit down on safely.
这条跑道不够长，喷气客机不能安全降落。
But could not cast a single jet thereon.
却不能抛洒一点一滴在其上。
The lift does not depend on the variation of jet pressure closely.
单一增大气流出口压力时增升效果无明显变化。
It's not easy to get over the jet-lag.
从时差中恢复过来不容易。
It's not easy to get over the jet-lag.
从时差中恢复过来不容易。
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