... shell n.弹药 sea scout受帆海训练的孺子军 fall back撤退，撤退退却 ...
短语
Sea Scout Troop海童军团
SEA SCOUT CAP海童军水手帽
SEAL Sea Scout Advanced Leadership海球探先进领导
专业释义
英英释义
Sea Scout
n.a boy scout enrolled in programs for water activities
英汉双解大词典
Sea Scout
1.
N（名词）
a Scout belonging to any of a number of Scout troops whose main activities are canoeing, sailing, etc, and who wear sailors' caps as part of their uniform 航海童子军