We don't have to worry about how you solve it, but it's problem in mathematics and the answer will be--surprise, it's going to be oscillating back and forth and that'll come out of the wash.

我们没必要去担心这个方程该怎么解,但这个数学问题的答案将会是令人惊讶的,弹簧会来回振荡,问题就迎刃而解了

耶鲁公开课 - 基础物理课程节选

My back hurts. And we have a lot to wash.

我的背受伤了。我们有很多东西要洗。

Do you mind 实战 - SpeakingMax英语口语达人

But we had nothing like the horrendous fires of Breezy Point, the flooding of Staten Island, the back wash that turned the streets of Hoboken, N.

FORBES: Move up http://i.forbesimg.com t Move down

Pickers have to tie their hair back, wash their hands continually, remove all earrings and piercings.

FORBES: New Britannia

And then George will bring it back and wash it out, or if I try and sneak it in the bin or hind it under things.

BBC