second valvifers

• 第二负瓣(有翅昆虫)

second valvifers的用法和样例：

例句

1. The team finished second in its group with two wins and one loss.
   该队以两胜一负的成绩取得小组第二名。
2. Every sign points to the fact that negative economic growth will likely continue in the second quarter.
   各种迹象显示，今年第二季的本地生产总值亦可能出现负增长。