裤缝的英文：
seams of a trouser leg

参考例句：

He sat down on a bench, hitching up his trousers carefully, as if afraid of destroying a knife-edged crease
他坐到一条凳子上，小心地拉起裤子，好像怕把笔挺的裤缝弄坏似的。

seams是什么意思：
n. 缝；接缝；煤层
v. 缝合，接合；裂开；使留下伤痕

burst at the seams
1.挤满

Horizontal seams: towards the hem with the exception of waist seams.
横缝:除腰缝之外,朝下。

Your coat has split at the seams.
你的上装接缝处裂开了。

trouser是什么意思：
n. 裤子
adj. 裤子的
v. 捞取

The hot iron seared the trousers.
热熨斗烫焦了长裤。

That pair of trousers is made of corduroy.
那条裤子是灯芯绒的。

He dusted his trousers.
他掸掉裤子上的尘土。

leg是什么意思：
n. 腿，胫
v. 走，跑

Not a leg to stand on
站不住脚

They outfitted him with artificial legs.
他们为他安了假腿。

coordinate the movements of the arms and legs
使胳膊和腿的动作协调