档期的英文：
a schedule for showing motion pictures in a theater

schedule是什么意思：
n. 时间表，目录，报表
v. 将...列入计划表，安排

not scheduled or not on a regular schedule.
不预定的或不按规定时间表。

scheduled airline
定期航线

I'll schedule the expenditure.
我会做出支出的明细清单。

showing是什么意思：
n. 放映，表现

This is the Show.
这是棒球联合总会。

The shop is showing.
店里在展出商品。

Not for sale will be showing.
非卖品都将展出。

motion是什么意思：
n. 运动；动作；提议；动机
v. 以姿势向某人示意

The train was in motion.
火车开动了。

The motion was withdrawn.
那项动议被撤销了。

The backwards motion is the anticipation, the throw itself is the motion.
这个向后的动作就是预备动作，投掷就是动作本身。