探検 たんけん船 せん

tankensen

1. Not an exploration vessel.; Not a ship of exploration.

1. Was an exploration vessel.

1. Exploring ship; While exploring (a ship)

1. Exploration vessel's; Of an exploration vessel

1. Not an exploration vessel.; Not a ship of exploration.

1. It's not an exploration vessel.; It's not a ship of exploration.

1. Was an exploration vessel.

1. Exploration vessel.

1. Not an exploration vessel.; Not a ship of exploration.

1. Was not an exploration vessel.; Wasn't an explorer ship.

1. Probably an exploration ship.

1. Was not an exploration vessel.; Was not a ship of exploration.

1. Wasn't an exploration vessel.; Wasn't a ship of exploration.

1. Probably an exploration ship.

1. Was not an exploration vessel.; Was not a ship of exploration.

1. If it were an exploration ship; When it was an exploration ship

1. If it were an exploration ship; When it is an exploration ship

1. If it's an exploration ship; When it's an exploration ship