Level 6 · word 14,667 of 20,000

unmanned

/ʌnˈmænd/ American
  • adj. 无人的, 无人操纵的
Definition
  • adj. having no person present to operate or control it
Example
The unmanned drone flew silently over the fields.
那架无人驾驶的飞机悄无声息地飞过田野。