This forces carbon into the outer surface of the steel.

强制使碳元素进入钢材的表面。

youdao

Coating on the outer surface as indicated on the drawing.

如图所示，在外表面涂层。

youdao

These tears activate cells on the outer surface of the muscle called satellite cells.

这些颗粒会激活在肌肉外部的细胞。 这些细胞就叫做“卫星细胞”。

youdao

They thought it's just glass." In fact,the outer surface of the German entry was covered with solar panels.

VOA: special.2009.10.27

And shortly thereafter this thickening of the outer surface is dimpling in, its invaginating.

增厚的外胚层很快就,向内凹陷。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

During the two-and-a-half hour moon walk, the astronauts frolicked in the weightlessness of outer space and planted an American flag in the lunar surface.

VOA: standard.2009.07.16

T-cell, so that it would recognise the molecules found on the outer surface of melanomas.

ECONOMIST: Gene therapy has been shown to work on cancer

The forensics expert said the outer surface of April's coat was waterproof and would not shed fibres but the lining and fake fur of the hood could.

BBC: April Jones

The UCL team discovered that MIP-1a plays a key role in the early stages of an allergic response within the clear membrane that coats the inner surface of the eyelid and outer surface of the eye, known as the conjunctiva.

BBC: NEWS | Health | Eyelid protein is key to allergy