lower apex of fold

例句：

1. 1.The lower apex of the foldis where the fabric meets the seam.
   折叠的下端是布料与缝线相接的地方。
2. 2. The dress has a lowerapex of fold that can beeasily adjusted to fit different body sizes.
   这件衣服有一个可以轻易调整以适应不同身材的下折边。
3. 3. Thelower apex offold in the shirt is wherethe collar meets the sleeves.
   衬衫的下折边是领口与袖子相接的地方。