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单词
tetrad
释义
tetrad
n.
  
1.
a group of four.
  
2.
the number four.
Etymology
: Gk tetras -ados (as TETRA-)
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BMA
B.Mus.
BMX
Bn.
bn.
BO
bo
boa
boar
board
boarder
boarding-house
boarding-school
boardroom
boardsailing
boardwalk
boart
boast
boastful
boat
boatel
boater
boating
boatload
boatman
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更新时间:2025/10/19 6:43:42