- 重点词汇
- 宇航员
astronaut; cosmonaut
- 观看
watch; view; look at; see; look; observe; spectate; attend; take in; gaze; look on; look upon; viewing; watching; observation; spectatorship; have a butcher's
- 地球
the Earth; Earth; earth; globe; the globe; planet; the planet; world; the world; planet Earth; terrestrial; earthly; global; geo-