Originally Military and Nautical. Of a fort, ship, etc.: not provided with a person or a company of people as a crew, defensive force, etc…
单词 | θ208127 |
释义 | society > travel > air or space travel > a means of conveyance through the air > [adjective] > manned or piloted > not (2) unmanned1906 Originally Military and Nautical. Of a fort, ship, etc.: not provided with a person or a company of people as a crew, defensive force, etc… pilotless1909 Of an aircraft: that flies without a pilot, under automatic or remote control. |
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