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单词
biostrome
释义
biostrome
in British English
(
ˈbaɪəˌstrəʊm
)
noun
a rock layer consisting of a deposit of organic material, such as fossils
Word origin
C20: from
bio-
+ Greek
strōma
covering
biostrome
in American English
(
ˈbaɪoʊˌstroʊm
)
US
noun
a flat, thin limestone layer consisting predominantly of marine fossils, as corals
see also
bioherm
Word origin
< bio- + Gr
strōma,
a mattress, bed, rug < IE base *
ster-
, to spread out > straw, strew
随便看
theretofore
thereunder
thereunto
thereupon
the revelation of saint john the divine
the reverend john smith
the reverse of
the revolving door
the revs
there was a letter waiting for me
there was a note of triumph in her voice
there was a ring at the door, the doorbell rang
there was a run on ...
there was hardly any food
there was no answer
there was nobody to be seen
there was nothing any of us could do to help
there wasn't a breath of wind
there was obviously something wrong
there was/were some left
there were 20 noes and one "don't know"
there were hardly any potatoes
there were three of them
there will be one or two changes
therewith
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更新时间:2024/11/11 11:55:00