Next brush the outside surface of your teeth.

下一步，刷你牙齿的外表面。

youdao

A downhole tool used in fishing operations to engage on the outside surface of a tube or tool.

在打捞作业中所用的一种井下工具，在打捞时它与管子或工具的外表面接合。

youdao

Reflective one is aligned to the outside surface and makes a fake hole on the facade by reflecting surroundings.

反光玻璃与外表面对齐，通过反射周围环境使得墙看上去像有一个假洞。

youdao

To explore the surface of the moon, astronauts must be able to survive outside the protection of their spacecraft.

VOA: special.2009.07.01

So this cell, wherever it's setting, wherever it is positioned within the nervous system let's say in the cortex somewhere or the outside surface of the brain is able to communicate with a region of the brain that's in this direction, a region in this direction, a region in this direction, a region in this direction.

所以这个细胞 无论它在何处,无论它在神经系统中安身何处,就比方说它位于大脑皮层上吧,即位于大脑外表面上的某处,它可以同,这一方向上的脑域进行交流,也可以是这个方向,也可以是这个方向,也可以是这个方向

耶鲁公开课 - 生物医学工程探索课程节选

It's these cells that are sitting at the surface here that are responsible for determining what becomes part of us and what stays outside.

位于肠道表面的细胞,决定了,吸收哪些分子而排出哪些分子

耶鲁公开课 - 生物医学工程探索课程节选

This is the theory that life is not merely a surface scum which clings to the outside of planet Earth, but that living things, in the form of so-called extremophile bacteria which can tolerate infernal heat, penetrate several kilometres into the planet's interior.

ECONOMIST: Obituary

The authors suggest that a rapidly evolving technical to manage hydrates is to heat the pipes that carry the hydrocarbons to the surface, either through electric heaters or by circulating hot water around the outside of the pipe.

FORBES: BP's Big Box Removed From Leak As Gas Crystals Clog Uptake Pipe

Indeed, being focused on odors -- which themselves require air to move, or a surface to light on -- means that for my dogs, the street outside our apartment building is different each time we step out the door.

CNN: 'On Looking': The world you're not seeing