Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000前使用骨针。渔叉和其他渔18000前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内不得弃置沉船，不得设置航渔，不得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年使用骨针。渔叉和其他渔具于18000年，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内不得弃置沉船，不得设置航渔具，不得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和其他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内得弃置沉船，得设置航渔具，得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和其他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道不得弃置沉船，不得设置航渔具，不得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和其他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道弃置沉船，设置航渔具，种水。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000前使用骨针。渔叉和其他渔18000前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内不得弃置沉船，不得设置航渔，不得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内不得弃置沉船，不得设置航渔具，不得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和其他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内得弃置沉船，得设置航渔具，得种植水生植物。

Harpoons and other fishing tackle appear at 18,000 years ago, as do bone spear throwers, or atlatls.

26000年前使用骨针。渔叉和其他渔具于18000年前出现，如梭标投掷棍“atlatl”。

In any navigation channel, the following activities are prohibited: abandoning sunken vessels, laying fishing implements impedimental to navigation, and cultivating aquatic plants.

在航道内置沉船，设置航渔具，种物。