oral groove
英 [ˈɔːrəl ɡruːv]
美 [ˈɔːrəl ɡruːv]
口沟
双语例句
- Any of various freshwater ciliate protozoans of the genus Paramecium, usually oval and having an oral groove for feeding. relative of the paramecium; often used in genetics research.
草履虫一种有纤毛的淡水草虫履属原生动物，通常呈卵形且有摄食用的口沟与草履虫属有亲缘关系；常用于遗传学研究。 - Freshwater ciliate with an oval body and long deep oral groove.
淡水纤毛虫具有椭圆形躯体和长而深的口槽。