improvision
英文词源
improvision (n.)
"want of forethought," 1640s, from assimilated form of in- (1) "not, opposite of" + provision.
带improvision字词语
带improvision字成语
improvision (n.)
"want of forethought," 1640s, from assimilated form of in- (1) "not, opposite of" + provision.