That's an incrassate cell wall.

那是肥厚的细胞膜。

That's an incrassate cell wall .

那是肥厚的细胞膜。

He can only lower his head against the cell wall.

他只有垂下头，顶着牢房的墙。

The combined cell then generates a new cell wall.

这样一来，已混合的细胞就会长出新的细胞壁。

The prisoner rapped out a message on the cell wall.

那囚犯敲打囚室的墙来传达讯息。