前面可以不加冠词,例如:

1、In 1957, the Soviets launched Sputnik 1 into outer space.1957年,苏联人将“斯普特尼克1号”人造卫星送入了外层空间。

2、Other living beings might exist in outer space.外层空间也许有其他生物存在。

3、They have been visited by creatures from outer space.有外星人拜访了他们。

outer space前要加冠词吗

outside

本身其中一个词性已是[介词]

意思

:

在…外面

在…之外在…前面

例句:

She

doesn't

see

anyone

outside

her

family.

除了自己的家人,她谁也不见.

outside

是[名词]时

在加[介词]

from

on

to

open

from

the

outside

:

从外面打开

on

the

outside

(of

sth.)

:

在(某物的)外侧