背面的

There is gum on the back of a stamp.

邮票有胶水。

We seal the back of envelopes.

我们把信封封上。

Join the blue wool onto the end of the gold pattern and work the same stitches into the back.

在这金色图案边织上蓝毛线, 在也用同样方法来织。

Join the blue wool on the end of the gold pattern and work the same stitches into the back.

在这金制图案边织上蓝毛线, 在也用同样方法来织。

Antennae of B. tabaci are made up of scapus, pedicle and flagella that the latter consist of 1-5 segments and most of the antennal sensilla lie on its outer, upper and lower surfaces.

扫描电镜观察结果表明，烟粉虱触角由柄、和1～5鞭组成，绝大部分触角感受器分布在触角、腹和外侧。