By rule of thumb, the total thickness of pad and casting (at the pad location) should not be less than one-fifth of the metal-feeding distance.

由经验法则，其总厚度的软垫及铸造(在垫板上的位置)，应不低于上就有五分之一的金属补缩距离。

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A wild goat had passed before the mouth of the cave, and was feeding at a little distance.

原来是一只野山羊奔过了岩石，下在不远处吃草。

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When it is feeding quietly close to "prey" to a certain distance, he was thin and had forked tongue sudden pulls out, suprahyoid mucus put "game" is firmly stick involved in the mouth.

它捕食时悄悄接近“猎物”，到了一定的距离，他薄而有分叉的舌头猝然翻出，舌上的粘液就把“猎物”牢牢粘住，卷入口中。

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