人烟的英文：
signs of human habitation

参考例句：

The passengers gave me about one hundred letters and asked me to mail when I hit civilization
车上的旅客们交给我上百封信，要我到了有人烟的地方就投邮。

No trace of man and smoke
人烟绝迹

a sparsely inhabited plain.
鲜有人烟的平原

Large area of land that is not or cannot be inhabited or cultivated;desert
无人烟的或不能住人的地区;荒漠

Level the city stone by stone to an extinct waste.
一块石头一块石头地夷平该市，使它成为一片没有人烟的荒原。

When I had pursued this resolution about ten days longer, as I have said, I began to see that the land was inhabited
下定了决心,就又向前航行了十天左右,开始看到了有人烟的地方。

signs是什么意思：
n. 迹象；预兆；记号，符号；手势；信号，暗号
v. 签名，签署；示意；打手势；用信号表示

This is a superscript sign.
这是个标在上方的符号。

This is a hopeful sign.
这是一个乐观的信号。

Scorpio is an Autumn Zodiac Sign（ as are the Signs of Libra and Sagittarius）。
天蝎：黄道十二宫的第八宫，每年10月23日前后太阳到这一宫。

human是什么意思：
n. 人，人类
adj. 人类的；有人性的；人本性的

It is the most humane.
它是最高尚的。

Human Resource Department is responsible for human resource management.
人力资源部负责人力资源的管理工作。

The accident was caused by human error.
这一事故是人为错误造成的。

habitation是什么意思：
n.居住；住宅

Habit cures habit
心病还需心药医

You are developing enthusiasm as a habit, and habits require reenforcement.
你应将热忧培养成一种习惯，而习惯需要不断的补给。

He has no habit of smoking.
他没有吸烟的嗜好。