SectionB第五课时(2a-3b)Unit13We’retryingtosavetheearth.throwaway扔掉；抛弃pull...down拆下；拆毁gaten.大门bottlen.瓶；瓶子presiden...
【课堂内外】九年级英语全册 Unit 13 We’re trying to save the earth（第5课时）课件.ppt
