With some degree of confidence, I'm working with a reliable spring and then I will get the mass of the elephant.

这时我就对弹簧有信心了,我用的是一个可靠的弹簧,我能测出大象的质量

耶鲁公开课 - 基础物理课程节选

But there's also elephant polo as well,

这里也有大象马球，

知道马球吗？ - SpeakingMax英语口语达人

He said when an elephant has fleas it is the fleas that do the jumping.

他说当一头大象身上有了跳蚤,是跳蚤而非大象在跳。

麻省理工公开课 - 固态化学导论课程节选

Remember, when we hang the elephant in outer space, nothing is going to happen.

记住,如果我们在外太空悬挂一头大象,弹簧是不会有变化的

耶鲁公开课 - 基础物理课程节选