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obstruct
[obstruct 词源字典]
obstruct:
see
structure
[obstruct etymology, obstruct origin, 英语词源]
obstruct (v.)
1610s, a back-formation from
obstruction
or else from Latin
obstructus
, past participle of
obstruere
"to block, to stop up" (see
obstruction
). Related:
Obstructed
;
obstructing
.