Mark was wounded, sent him back to the surface .
马克受伤了，被送回了地面。
They need to be sure the gas will not bubble back to the surface.
他们需要确定气体将不会变成气泡回到地标。
More infrared radiation would be absorbed and reradiated back to the Earth's surface.
更多的红外辐射将被吸收并重新辐射回地球表面。
Then, the snow's surface will help to send back sound waves.
这时，雪的表面就会反射声波。
The plating: back to back the product surface finishes in the process.
退镀：将制件表面镀层退除的过程。
It's falling to the Surface, Sir. - Get him back!
他掉落地面了，长官-追回来！
After driving on the bumpy surface, it was nice to get back onto even ground.
在那条崎岖不平的路上我们吃足了苦头。
After driving on the bumpy surface, it was nice to get back onto even ground.
在那条崎岖不平的路上我们吃足了苦头。
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