解小管

例句：

1. 1. The plant's roots absorb water and nutrients from the soil through its tiny, delicate xylem vessels.
   植物的根通过其微小而精致的木质部导管从土壤中吸收水分和养分。
2. 2. The arteries in our bodies carry blood away from the heart to all parts of the body.
   我们体内的动脉将血液从心脏输送到身体的各个部分。
3. 3. The scientist used a microscope to examine the tiny capillaries in the skin.
   科学家使用显微镜检查皮肤中的细小毛细血管。