adv. 并列(行駛),并排(飛行)◇be abreast of (with)=keep abreast of與…并列,熟悉......(本文共 56 字) [閱讀本文] >>
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 adv. 并列(行駛),并排(飛行)◇be abreast of (with)=keep abreast of與…并列,熟悉......(本文共 56 字) [閱讀本文] >>
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