沉积于冰前湖底或海底的细粒沉积物中间的大石块。
A large rock fragment, deposited in the midst of the fine-grained sediments on the floor of a proglacial lake or of the sea.
科学家们还未钻人到湖底但巳经从冰冠的底部得到了冰冻的湖水标本,其中证实含有微生物的DNA。
While scientists haven't yet drilled into the lake itself, they have pulled up samples of frozen lake water clinging to the bottom of the ice cap that contain unmistakable evidence of microbial DNA.
科学家们还未钻人到湖底但巳经从冰冠的底部得到了冰冻的湖水标本,其中证实含有微生物的DNA。
While scientists haven't yet drilled into the lake itself, they have pulled up samples of frozen lake water clinging to the bottom of the ice cap that contain unmistakable evidence of microbial DNA.
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