英漢例句雙語例句In the summer of 1970, the SST race was three-way, with Russia's Tu-144 and the still-on-the-drawing-boards Boeing 2707-300 joining the legendary Concorde.1970年夏天，有三路兵馬征戰(zhàn)超音速運輸機領域，俄羅斯的圖-144、仍然在設計階段的波音2707-300以及協(xié)和超音速客機。boeing 2707更多例句