背部的

After hours of sitting, his back felt stiff and ached when he stood up.

久坐后，他背僵硬，站起来时感到疼痛。

The back of this snake is mottled.

这条蛇背有杂斑点。

He massaged her back with scented oil.

他用芳香油按摩她背。

In order to save space, the back of the boiler had been let into the wall.

为了节省空, 背被嵌进墙内。

A duck's back sheds water.

鸭子背不透水。

Loach about 10 cm long, yellow sand, yellow sand that they are not exact, because of their paranotum, back dotted with black spots and tidy, like the black stripes, seen from afar like a sand silt .

泥鳅大约有10厘米长，沙，说它们是沙，并不确切，因为他们侧背、背点缀着整齐黑点，象黑条纹，远看就像是沙底淤泥。