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

n a brief swim in water

n a steep and rapid fall

v thrust or throw into

v drop steeply

v dash violently or with great speed or impetuosity

v begin with vigor

v cause to be immersed

v fall abruptly

v immerse briefly into a liquid so as to wet, coat, or saturate

v devote (oneself) fully to