elongation of internode

例句：

1. 1. The plant's growth is primarily due to the elongation of its internodes.
   植物的生长主要是由其节间的延长引起的。
2. 2. During the growing season, the plant's internodes are elongated to support the increased demand for water and nutrients.
   在生长季节，植物的节间被伸长以支持对水分和养分需求的增加。
3. 3. The elongation of the internodes allows the plant to extend its roots deeper into the soil, increasing its ability toaccess water and nutrients.
   节间的伸长使植物能够将根深入土壤，提高其获取水分和养分的能力。