迅速下降

迅速 xunˋ suˋ

(Quick, Quickly) Quick, Quickly

下降 xiaˋ jiangˋ

(Decline, Declined, Declines, Declining, Descend, Descended, Descending, Descends, Reduce, Reduced, Reduces, Reducing, To decline, To descend, To reduce) To descend, Descend, Descends, Descending, Descended, To decline, Decline, Declines, Declining, Declined, To reduce, Reduce, Reduces, Reducing, Reduced