这条河在松软岩石中开辟出一条水道来。
当地人还在这块松软的岩石上凿出了200多个洞穴。它们有着各种各样的用途,用作神圣的墓地也用作食物储藏室。
Local people have also carved out over two hundred caves in the soft rock, and use them for everything from sacred burial places to food storage.
由于风将砂粒刮起来,碰撞大岩石,久而久之,较松软的岩石层就被慢慢地磨损。(只能译成“较”,不能译为“更”)。
When winds blow sand particles against a large rock for a long time, the softer layer of the rock are slowly worn away.
由于风把砂粒刮起来, 碰撞大岩石,久而久之,较松软的岩石层就被慢慢地磨损。(译成汉语复句的表原因的偏句)
When winds blow particles against a large rock for a long time, the softer layers of the rock are slowly worn away.
注意:松软的岩石是你的敌人。
钻进松软、非固结,通常是浅地层时,通过仅仅依靠液力冲击载荷去冲蚀破碎钻头下的岩石。
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impact loading alone.
钻进松软、非固结,通常是浅地层时,通过仅仅依靠液力冲击载荷去冲蚀破碎钻头下的岩石。
To drill soft, unconsolidated, usually shallow formations by eroding the "rock" below the bit by hydraulic impact loading alone.
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