落山的英文：
setting(up)

参考例句：

The sun descended from the hilltop
太阳落山了。

The sun began to set.
太阳开始落山了。

The round sun was setting.
圆圆的太阳正在落山。

Rays of the setting sun slanting through the window
落山的太阳光从窗户里斜射进来

As the sun set, the sky shaded from blue to pink.
随着太阳落山，天空由蓝色渐渐变为粉红色。

Borne on the back of the ship of the desert,we reached the oasis at sunset.
我们骑着骆驼，在太阳落山时到达了这块绿洲。

At sundown the massive double wooden gates of the ghetto were closed and locked with a large iron key
在太阳落山时，贫民区的笨重的两扇大木门便被关上，锁上一把大铁锁。

He is pretty sure to drop in towards sundown and he will bring them himself
他肯定会在太阳落山的时候过来串门儿，把东西带来的。

setting是什么意思：
n. 环境；背景；布置；底座；设定；安装
v. set的现在分词

perseverative set
固着心向

plastometric set
塑性变形

A coded character set whose character set is an alphabetic character set
一种编码字符集,它的字符集是一种字母字符集。

a complete set; a whole set; a cycle; a complement
整套

Press the set button accordingly to set the seconds to 0.
按下设置按钮,把秒设定到0