stop down¹

• • 蹲下；卧倒；不直起身来：

    to stop down under the table

    蹲到桌子下面藏起来

  • 不增加；停留在下面：

    I can dive under the water without any facilities but I can't stop down there too much time.

    我能不带任何器具潜到水下，可我不能在水下呆太长的时间。

    to stop down one's desire

    抑制欲望

  • 不呕吐，不倒胃：

    He has stopped down,and now he seems better.

    他到现在一直没呕吐，看来他好多了。

  • 缩小(镜头的)光圈：

    You should stop down if you want to take a good photo.

    你要想照出好照片，你得缩小光圈。

stop down²

• 【光学】光阑缩小