Ground Take-off and Landing

• 地面起落

Ground Take-off and Landing的用法和样例：

例句

1. Life is ups and downs, we must be strong.
   人生总是起起落落，我们必须很强壮。
2. The music celebrates the natural ebb and flow of all life.
   悦耳的音乐赞美了人一生中所有的起起落落。