crash-dive

名词 crash-dive:

1. a rapid descent by a submarine
   同义词：crash dive

动词 crash-dive:

1. descend steeply and rapidly

crash-dive

v.intr.（不及物动词）
crash-.dived 或 crash-.dove [-dôv.] crash-.div.ing,crash-.dives
To undergo a crash dive.
急速潜没：潜水艇急速潜没