| 例句 |
Mark Twain was once a river pilot on the Mississippi.马克‧吐温曾当过密西西比河上的领航员。Before becoming a writer, Schwarz had been a cook, a cab driver and a door-to-door salesman.在成为作家前，施瓦茨曾当过厨师、出租车司机和挨户兜售的推销员。She had once posed for life classes when she was an art student.她在艺校上学时曾当过人体写生课模特。 |