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The archaeologists have found several human skeletons.（英译中)
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The cave might never have been discovered ______ by the distinguished French potholer, Ber
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The doctors discover will have a ______ effect on mankind.A．extremeB．radicalC．excessiveD．p
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Astronomers have discovered what may be five planets orbiting Tau Ceti, the closest singl
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Dr. Harvey Gates, the noted scientist, might never have discovered the Kamron lizard （蜥蜴
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The researchers have discovered that the formation of habit can be A. predicted B. reg
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Doctors have discovered a cause of ulcers after m
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