Furthermore, rather than losing many brain cells as we age, we retain them, and even generate new ones well into middle age.

而且，随着年龄增大，我们并不会损失脑细胞，相反，我们会保留它们甚至在中年阶段产生出新的脑细胞。

youdao

You have a middle ear infection when germs get into the middle ear and the area fills up with fluid (or pus), which contains germ-fighting cells.

当微生物进入中耳引起感染，小气袋里就会因此充满脓液，这些脓液里包含了抗菌细胞。

youdao

The middle tier is further structured in different logical domains called "cells".

中间件层进一步划分为不同的逻辑域，称为“单元”。

youdao

It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.02.03

"With the flat cells, their middle legs are scrabbling continuously, so they keep their wings moving to maintain their balance, which is a lot less energy-efficient, " Dr Glover continued.

BBC: Velcro petals help bees hang on

He said the new buildings would have the best cells in the Middle East - unlike other Arab countries, where prisoners must sleep on the floor, everyone will have their own bed.

BBC: News | Middle East | Doing time in style

But sudden change is not foreordained by getting tougher, whereas certain change more fissile material, more potential nuclear and missile know-how that can be sold under our noses to the bidders in the tumultuous Middle East and even to al Qaeda terrorist cells becomes more likely every day North Korea moves forward with its mass-destruction technologies.

CNN: Rescind North Korea's license to provoke