伯劳鸟 shrike (family Laniidae) 步操 foot drill (military, physical exercises etc) 操 to manage, to control, to steer, to exercise, to drill (practice), to play, to spe...
Just before halting its investigations, the nuclear-powered rover used the drill at the end of its 7-foot-long robotic arm to bore into a rock near where it landed and analyze the powder.
