armhole
n. 袖孔
复数 armholes
例句
Armhole: Double stitches.
袖窿:双缝。
The armhole of the coat is too long.
这件上衣的袖孔太长了。
Fold the side seam under and cut out the armhole.
折叠侧缝线并剪下袖窿。