n.顽童( urchin的名词复数 );淘气鬼;<主英><动>猬;<动>海胆;
例句:
Shrimp may soon be given disease-fighting genes taken from sea urchins.
不久也许可以给虾配上从海胆提取的抗病基因.
Tricia: Those are sea urchins . We'll 3 pass on those.
翠西雅: 是海胆,那个就免了.
A group of idle urchins had taken possession of the door-steps.
门前台阶已为一群没事做的玩童所霸占.