As he approaches, he tucks in his tentacles 它慢慢靠近 收起触角
David the octopus, show me your tentacles. 章鱼大卫 把你的触须举起来
A siphonophore - with a cloak of lethal stinging tentacles. 管水母 身披一层致命的刺触须
to form a deadly trap of tentacles... 形成一个致命的触手陷阱
It's small tentacles carry highly developed chemical sensors which can detect traces of both predators and prey. 它的小触手有非常灵敏的化学感觉器, 可以探测到敌人和猎物的踪迹
and the polyps feed by snaring passing morsels with their tentacles. 珊瑚虫利用触手抓食经过它身边的食物
At night, the algae are inactive but then, the polyps put out even more tentacles 到了晚上,共生藻停止工作 珊瑚开始释放更多的触手