indicateur de virage et d’inclinaison latérale
/ɛ̃dikatˈœʁ də- viʁˈaʒ e dɛ̃klinɛzˈɔ̃ lateʁˈal/
n
English: turn and slip indicator · 转弯侧滑仪
Sens：Instrument with a gyroscope connected to a pointer that indicates the rate and direction of turning; it also has a ball that shows if the glider is rolling sideways.