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单词
acritarchs
释义
acritarch
['ækri,tɑ:k]
n.
【古生物学】疑源类,(类目不明的)单细胞海洋生物化石
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back-to-back connection
back-to-backs
back to back with
back to basics
back-to-basics
back to front
back-to-front ratio
back to nature
back to sail
back-to-school goods
back to square one
back-to-the-basics
back to the drawing board
back to the salt mines
back to the wall
back-to-work movement
back track
backtrack
backtracked
backtracker
back tracking
backtracking
backtrackings
backtrail
backtrails
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更新时间:2026/4/13 22:34:27