例句與造句

1. Previous markers have been erected at the station, but all were stolen.
2. However the Campbelltown to Prestons section has reverted to the updated incarnation of its previous marker, as part of the M31 Hume Motorway.
3. All that seems certain is that Fernandes sailed beyond his previous marker in 1446, and that this would remain standing as the record length reached by the Portuguese discoveries for the next decade.
4. It's difficult to find previous marker in a sentence. 用previous marker造句挺難的