plunges的音标？

n.跳进，投入vt.使投入，使插入，使陷入vi.投入，跳进，陷入v.颠簸( plunge的第三人称单数 )，暴跌，骤降，突降...

'Monseigneur , he precipitated himself over the hill - side, head first, as a person plunges into the river.'“ 大人, 他头冲下跳下山坡去了, 像往河里跳一样. ”If the axis plunges, loop - shaped or zigzag patterns of ridges and valle...