thousands of
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thousandsofthousandsofthousandsofthousandsofyears数千年;几千年;千年流光;上千年Theseorganismsabsorbcarbondioxidefr
thousands of
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thousands of years
数千年;
几千年;
千年流光;
上千年
These organisms absorb carbon dioxide from the atmosphere and take it to the bottomof the ocean when they die,where it stays for thousands of years.
我们知道,浮游生物会吸收大气中的二氧化碳,当它们死亡时会把二氧化碳带入洋底,并在那里停留数千年.
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成千上万年
thousands of thousands是什么意思
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thousand 、thousands、thousands of区别
thousands of tens of thousands of
hundreds of thousands of
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thousands and thousands of 和thousands of的区别
thousands and thousands of与thousands of的区别?
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用thousands of造句
tens of thousands