题目

touch

提问时间：2021-03-23

答案

touch down
[英][tʌtʃ daun][美][tʌtʃ daʊn]
降落,着陆;
例句:
1.
External airbags have been used in the past to help unmanned spacelanders,including mars pathfinder,touch down.
外部气囊在此之前已经被用来帮助无人驾驶的飞船进行着陆,这其中就包括了火星探路者飞船.
2.
At low tide it is surrounded by a broad flat apron of coral where a plane couldsafely touch down.
退潮时,这个岛四周是宽阔平坦的珊瑚礁,可以容纳一架飞机安全地降落.
3.
The report does not explain whether the spacecraft would touch down on themartian moon's surface or orbit around it.
这份报告没有说明飞船是着陆火星卫星表面还是绕它环行.
4.
Steve fulton of naverus,a subsidiary of ge that designs and installs suchsystems,likens them to a railway track:aeroplanes do not deviate more thana wingspan from their charted courses and touch down within ten seconds ofthe predicted time.
史蒂夫富尔顿纳沃斯,通用电气的子公司,他们设计且安装了这个系统,并把此比喻为铁轨：飞机不会越轨,甚至双翼都不会超出他们绘制的线路；会在预计的十秒之内安全着陆.
5.
Spacex hopes eventually to install landing gear that would allow dragon totouch down on land as precisely as a helicopter.
spacex希望最终能给飞船安装一个着陆装置,这样龙飞船就可以像直升飞机那样精确地降落在陆地上.