Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的工品粗,在研磨机中粗略地破碎的头。方工品由整齐地切割出具方形边缘之块所组成。

Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的工品粗,在研磨机中粗略地破碎的头。方工品由整齐地切割出具方形边缘之块所组成。

Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗石。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加工品粗石,在研机中粗略地破碎的石头。方石加工品由整齐地切割出具方形边缘之石块所组成。

Knives can be sharpened by grinding them against a rough stone.

一块粗石上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加工品粗石,研磨机中粗略地破碎的石头。方石加工品由整齐地切割出具方形边缘之石块所组。

Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗石上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加工品粗石,在研磨机中粗略的石头。石加工品由整齐切割出具缘之石块所组成。

Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗石上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加品粗石,在研磨机中粗略地破碎的石头。方石加品由整齐地切割出具方形边缘之石块所组成。

Knives can be sharpened by grinding them against a rough stone.

刀能在一块粗石上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最石料加工品粗石,在研磨机中粗略地破碎石头。方石加工品由整齐地切割出具方形边缘之石块所组成。

Knives can be sharpened by grinding them against a rough stone.

刀能一块粗石上快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加工品粗石,机中粗略地破碎的石头。方石加工品由整齐地切割出具方形边缘之石块所。

Knives can be sharpened by grinding them against a rough stone.

刀能粗石上磨快。

"The simplest stonework is rubBle, roughly Broken stones Bound in mortar. Ashlar work consists of regularly cut Blocks with squared edges."

最简单的石料加工品粗石,研磨机中粗略地破碎的石头。方石加工品由整齐地切割出具方形边缘之石所组成。