form a groove的意思|示意

Each time we use a facial muscle, a groove forms beneath the surface of the skin, which is why we see lines form with each facial expression.

每当你使用面部肌肉的时候，皮肤下就会形成一道凹槽，这就是你作表情的时候，脸部出现线条的原因。

To form a groove or flute in.

以犁沟或开槽的方式来挖掘.

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The savage on the shores of the Pacific cuts a groove in the bark round the root of the tree of which he intends to form his canoe.

太平洋岸边的野人绕着一个树根挖槽，想用这棵树建造一艘独木舟。

Two groove of the inner ring and outer ring groove for the ball between the form of a drum, equipped with roller bearings.

二条滚道的内圈和滚道为球面的外圈之间，装配有鼓形滚子的轴承。