词汇	悦耳的声音
释义	悦耳的声音 euphony
随便看	astronaut selection astronaut selection and training center astronaut selection criteria astronautics Astronautics aircraft Astronautics and Space astronautics industry astronauticss Astronautics Support Center astronautic system Astronaut Life Support Assembly Astronaut Maneuvering Research Vehicle astronaut maneuvering unit astronaut medical certification astronaut medical evaluation astronaut medical kit astronaut medical monitoring astronaut's energy metabolism Astronauts Entry into the ISS Astronauts have special breathing apparatus Astronauts Install Space Station Cameras astronaut's operation Astronauts rehearse for shuttle launch Astronaut Stabilizer Maneuvering Unit Astronaut Survival Kit