dorsolateral fold

例句：

1. 1. The animal's dorsolateral foldsare visible through the skin.
   动物的腹侧褶可以通过皮肤看到。
2. 2. Thescientist observed the dorsolateral folds of thebutterfly wings.
   科学家观察到蝴蝶翅膀的腹侧褶。
3. 3. The doctor examined thepatient's dorsolateral folds for signs of infection.
   医生检查了病人的腹侧褶以寻找感染的迹象。