1. Prior to assembly, grooves were made in the shelf, base, and sides to accommodate the back panel. 在组装之前，隔板、底座和侧面已开槽以便与背板相嵌。
2. Sliding doors move in grooves. 滑动门在槽沟中移动。
3. Some species of tuna have specialized grooves in their tongue. 有些品种的金枪鱼的舌头上有专门的凹槽。
4. Archaeological finds of nuts from the extinct Easter Island palm show tiny grooves, made by the teeth of Polynesian rats. 从已灭绝的复活节岛棕榈坚果的考古发现中可以看到由波利尼西亚老鼠的牙齿形成的小凹槽。
5. It is thought that these grooves help to channel water through the mouth and out the gill slits, thereby reducing water resistance. 人们认为这些沟槽有助于将水从嘴中输送到鳃裂外，从而减少水的阻力。
