底边的英文：
hemline

The base of a triangle,pyramid,etc
三角形的底边、角锥体的底面等.

The base of the triangle coincides with one side of the square.
这三角形的底边与这四边形的一边相重合。

Finish off jacket hems, pockets and sleeve edges professionally.
按专业要求缝制底边、衣袋袖边。

Jacket Hems
上衣底边

Line AB is the base of the triangle ABC.
AB线是三角形ABC的底边。

The height or level of the bottom edge of a skirt, dress, or coat;a hemline.
下摆裙子、外衣、或大衣的底边离地的高度或水平线；底边沿

This provides a useful crease line for the finished hem at the facing width.
这样贴边幅宽处的光底边就有了一条有用的折线。

The carpenter shaved off a small amount from the bottom of the door to make it close properly.
木匠将门底边刨去了一点使它正好关上。

Position by aligning the slotted line to the hem or fold line marking. Fuse.
以底边的虚线或直折线定位粘双面粘合衬。

Some hems in fact are better left undressed. Experiment with pieces of fabric first.
实际上,某些面料底边最好是免烫的,先用一小块面料试验一下。

The height or level of the bottom edge of a skirt, dress, or coat;a hemline.
下摆裙子、外衣、或大衣的底边离地的高度或水平线；底边沿