Biological systems have been doing this for billions of years...生物系統億萬年來一直都是這樣。Billions of pounds are riding on the outcome of the election.幾十億英鎊都取決于這次選舉的結果。Israel accepted billions of dollars in war reparations.以色列得到了幾十...
Biological systems have been doing this for billions of years.生物系統億萬年來一直都是這樣。Billions of pounds are riding on the outcome of the election.幾十億英鎊都取決于這次選舉的結果。Israel accepted billions of dollars in war reparations.以色列得到了幾十億美...