牛津译林版英语九下unit1lifeonmarsvocabularyppt课件内容摘要：
see your___________. It will supply oxygen. Please carry it on your back. And there is a tube(管子 ) ing out of it. It is used to carry air into your helmet. You will also find a __________ in your helmet, you can talk to your friends or family members on Earth with it. journey seat enjoyable air tank microphone And have you seen the special _________? They will allow you to walk on Mars freely. They are heavy. And then, besides them, you can see a pair of sunglasses. They are used to _ _ _ _ _ _ _ _ y o u r e y e s . We have also got some __________for you if you are hungry. It’s in that green bag. And if you feel unfortable, you ca。阅读剩余 0%
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