叶腋

例句：

1. 1. The butterfly's wings are delicate and have a unique shape in the leaf axil.
   蝴蝶的翅膀很细腻，形状独特。
2. 2. She placed her hand on the table, feeling the coolness of the leaf axil.
   她把手放在桌子上，感觉到了叶子腋部的凉爽。
3. 3. The scientist carefully examined the plant's leaf axil to determine its growth pattern.
   科学家仔细检查了植物的叶子腋部，以确定其生长模式。