bathtub

Clean out the bathtub when you are done.

洗完澡后请把浴缸洗干净。

His students are generally much better at bathtub dynamics by the end of his course, which gives him hope.

在完成他的课程之后，他的学生对浴缸动力学的理解普遍好多了，这给了他希望。

And the neighbor down the street found in the bathtub… And the kid who ran his motorcycle into a tree an accident but for the note left behind saying that's exactly what he intended to do… And so on.

还有那个街上的邻居，被人发现在浴缸里自杀了……还记着有个小年轻骑摩托车撞到了树上，大家认为这是个意外，但是这个小孩留的字条上说他是一心寻死的，等等。