be in operation

导读:be in operation读音音标
英 [bi: in ˌɔpəˈreiʃən]美 [bi ɪn ˌɑpəˈreʃən]
be in operation意思解释
释义实施中;

be in operation读音音标

英 [bi: in ˌɔpəˈreiʃən]

美 [bi ɪn ˌɑpəˈreʃən]

be in operation意思解释

释义

实施中;

be in receipt of
be in need of
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