tubful

1. And should you drop it into a tubful of cloudy, child-colored water, not to worry& it floats.
   而且，如果不慎将香皂落入澡盆，里面盛满了孩子们洗过澡的浑水，你也不用担心找不到&它会自动浮上水面。

noun

1. the amount that a tub will hold
   1. a tub of water

   Synonym:    tub