vi. 急速地潜航

字博缘文学网在线英汉词典
crash-dive的短语、例句：
crash-dive n sudden dive made by a submarine or an aircraft, eg to avoid being attacked （潜艇或飞机为免受攻击而实行的）紧急下潜或下降. v [I] dive in this way （潜艇）紧急下潜; （飞机）紧急下降.

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