青年中文青年中文

slave trade had long been的意思

slave trade had long been中文翻譯:

奴隸貿易長期以來

相似詞語短語

slave trade───奴隸販賣;n.販賣奴隸

had been───已經(過去完成時)

had been done───過去完成時的被動語態

had been sold───已經被賣掉了

had never been───從來沒有……(been是be的過去分詞)

had been on───一直在

had a long───有很長一段時間

slave───n.奴隸;從動裝置;vi.苦干;拼命工作;n.(Slave)人名;(塞、羅)斯拉韋

been───v.是,有(be的過去分詞);n.(Been)(美)貝恩(人名)

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