ligulate corolla

例句：

1. 1. The door ligulatesshut with a loud bang.
   门砰地一声关上了。
2. 2. The window was ligulateto prevent the rain from coming in.
   窗户被关起来以防雨水进来。
3. 3. The valveligulates to allow air to flowthrough.
   阀门关闭以允许空气流动。