开航 kāihánɡ verb ① (指空运) become open for navigation ▸ 新航线开航了。 A new air route has opened. ② (指水运) be open and navigable ▸ 大河开冻后又重新开航了。 The river is clear again since the thaw. ③ (起航) set sail ▸ 乘客上船之后,船就开航了。 Once the passengers were on board, the boat set sail. |