Dogs(狗)

Dogs

belong

to

the

canine.

When

a

dog

follows

its

nose,

it’s

actually

being

led

by

thee

key

senses.

Sight:a

glimpse

of

the

enemy

saves

them

barking

up

the

wrong

tree.

Sound:

a

bark

can

be

a

fierce

threat,

but

it’s

also

how

canines

make

their

long

distance

calls.

Smell:

this

tells

a

dog

more

than

all

the

other

senses

put

together.

Inside

its

nose

are

around

two

hundred

million

smell

sensitive

cells,

forty

times

more

than

in

humans.

Through

them

the

dog’s

brain

can

pick

up

signals

from

one

molecule

of

scent

in

a

million.

It

gives

the

dog:

a

completely

different

picture

of

the

world,

based

on

what

it

smells,

rather

than

what

it

sees.

Flowers

are

irrelevant

to

a

dog.

So

their

scent

is

meaningless.

But

food

is

a

serious

matter.

What

to

us

is

an

empty

plate,

is

covered

with

the

smell

of

chicken

to

a

hungry

dog.

狗

狗属于犬科劝物。

当狗用鼻子嗅着前行时，实际上有三种感觉在起作用：视觉，瞥一眼就知道敌人在哪儿；听觉，犬吠有一种凶猛的威慑力，这也是犬科动物闽相互嗅寻的方式；嗅觉，能给狗提供的信息比其他感觉总和还多。

狗的鼻孔大约有2亿左右的嗅觉细胞——比人多40倍。通过这些细胞，它的大脑能从100万个气体分子中筛选出1个。根据所闻而不是所见的东西，展现给狗的是一个完全不同的画面。

花对狗来讲无足轻重，所以花香对狗无关紧要。可食物是件大事，对我们来说是一个空盘子，可对一只饥肠辘辘的狗来说却散发着鸡肉的香味

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