hoveringly
动词 hover:
be undecided about something; waver between conflicting positions or courses of action
同义词:hover, vibrate, vacillate, oscillate
move to and fro
hang in the air; fly or be suspended above
同义词:hover
be suspended in the air, as if in defiance of gravity
hang over, as of something threatening, dark, or menacing
同义词:brood, hover, loom, bulk large