drone
名词 drone:
stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen
an unchanging intonation
someone who takes more time than necessary; someone who lags behind
同义词:dawdler, laggard, lagger, trailer, poke
an aircraft without a pilot that is operated by remote control
同义词:pilotless aircraft, radio-controlled aircraft
a pipe of the bagpipe that is tuned to produce a single continuous tone
同义词:drone pipe, bourdon
动词 drone:
make a monotonous low dull sound
talk in a monotonous voice
同义词:drone on