单词：axis of small circle
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Timetomakeacircle.( Everyonerushestothecenteroftheroomandholdshandsinacircle. ) Makeacircle,bigbigbig.( Makethecirclebigger. ) Smallsmallsmall.( Makethecirclesmaller. ) Bigbigbig.( Makethecirclebigger. ) Makeacircle,smallsmallsmall.( Makethe
Super Simple Songs 唱唱跳跳学美语
Happy new year and dont feel bad about taking today off, after all, youve travelled far. And Im not talking about the trip home from the party. According to NASA, just by being on the planet earth last year, youve zipped about 584 million miles aroun
Scientific American(一)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N
Scientific American(一)月
Lesson 19 Facing Your Fear 直面你的恐惧 Words: averse adj. 反对的，不愿意的 aversion n. 厌恶，憎恨 avert vt. 避免，规避 aviation n. 航空，航空学 aviator n. 飞行家 avid adj. 渴望的，热心的 avocation n. 副业，嗜好 avow v. 公开承认，公开宣称 awareness
胡敏托福词汇记单词
You Traveled Far Last Year Happy New Year! And if youve been away from work for a few days, you deserve some time off. After all, youve traveled far. Even if you just stayed at home. According to NASA, just by being on the planet Earth in the last ye
2018年科学美国人1月
The earth turns on its axis every 24 hours-or so were taught. But, before we had pictures from space, how would we prove it to someone? The rising and setting of the sun and stars in the sky provide pretty strong evidence, but not absolute proof, sin
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