They floated in the water, catching food with their tentacles. 它们在水中飘游，用触须捕捉食物。
tentacles英英释义
名词 tentacle:
something that acts like a tentacle in its ability to grasp and hold
any of various elongated tactile or prehensile flexible organs that occur on the head or near the mouth in many animals; used for feeling or grasping or locomotion
