secondary elongation

• 二级伸长

secondary elongation的用法和样例：

例句

1. As I sit in a shadowy corner, I observe a slow and gradual elongation of his mouth.
   坐在一个暗角落里我观察到他的嘴慢慢而逐渐地伸长。
2. It was found that calcium reduced elongation of cucumber hypocotyls.
   有人发现，钙能抑制黄瓜胚轴的伸长。