n. a submersible warship usually armed with torpedoesv. move forward or under in a sliding motionv. throw with an underhand motionv. bring down with a blow to the legs
n. 潜水艇, 海底生物a. 海中的, 生长在海中的vt. 用潜水艇攻击vi. 在下疾行, 在下滑动