astronaut

n.

宇航员；太空人；航天员；

复数：astronauts

1. The astronaut can send out a robot which will work on the unknown planet, collecting rocks and minerals, putting up a permanent observation station or traveling far and wide.
   宇航员可以派出机器人在这颗陌生的行星上工作，收集岩石和矿物; 建立永久性观察站，或向四面八方走动。
2. My son's dream is to be an astronaut.
   我儿子的理想是当宇航员。
3. A rocket manned by trained astronauts will launch soon.
   载有受过训练的宇航员的火箭马上就要发射了。
4. The rocket boosts the astronaut into space.
   这火箭能把宇航员送入太空。
5. He'll be an astronaut by the time he is thirty.
   在他三十岁的时候他将成为一名宇航员。

Assessments of astronaut effectiveness.
Astronaut Exposure to Space Radiation: Space Shuttle Experience
Safe Passage: Astronaut Care for Exploration Missions
Bioastronautics: the influence of microgravity on astronaut health
Astronaut families and parachute children: the cycle of migration between Hong Kong and Australia
Incidence of Epstein-Barr virus in astronaut saliva during spaceflight.
Astronaut's organ doses inferred from measurements in a human phantom outside the international space station.
Flexible families? 'Astronaut' households and the experiences of lone mothers in Vancouver, British Columbia
Thin filament diversity and physiological properties of fast and slow fiber types in astronaut leg muscles.
Analytic design of satellite constellations for zonal earth coverage using inclined circular orbits. J Astronaut Sci