四次

You´ve missed your train four times this week — you´d be late for your own funeral.

本星期你已经有四次没赶上火车了，你老是迟到。

Since there are four reflections, the exiting image will be right - handed.

因为共有四次反射， 出射的像将是右手座标系。

Someone made four drawings from this account last week.

上周有人从这个帐号里提了四次款。

Moreover equations of degree higher than quartic often arise in equilibrium calculations.

况且，在平衡计算中常常发生比四次方程还高的高次方程。

I saw him four times last year.

去年我看见他四次。