outer space
外层空间
outer layer
外层
outer shell
外壳
outer ring
外环
outer wall
外墙
outer diameter
外直径
outer world
外部世界；个人生活圈子以外的人
outer edge
外缘；外刃
outer loop
外侧环路；外层循环
outer cover
汽车外胎
outer boundary
外边界
outer sleeve
外套筒；外套管
outer tube
外管；外胎
outer skin
外层皮肤，表皮
outer core
外核；外地核
outer race
（机）外环
outer mongolia
外蒙古（原为中国领土的一部分，后独立成立蒙古人民共和国）
outer radius
n. 外半径
outer suburbs
远郊
the outer covering
外面覆盖物
the geology of the Outer Hebrides.
外赫布里底群岛的地质特点。
the outer city bypass.
城市外环线。
the deep of outer space.
深邃的太空
a creature from outer space.
来自太空的怪物。
the historic first voyage to outer space.
具有历史意义的首次太空旅行。
the mysteries of outer space.
外层空间之谜。
the outer rim of the solar system.
太阳系的外缘。
establish contact with the outer world
建立与外界的联系
The outer door needs repairing.
外面的门需要修理一下。
We'll move to the outer suburbs.
我们将搬到市郊。
rockets that pioneered outer space.
开拓外层空间的火箭
The outer walls of the house were made of brick.
这座房子的外墙是砖的。
The outer door was wide open but the inner one was locked.
外面的门大开着而里面的门锁着。
The outer surface of ship’s hull is very hard.
船体的外表面非常坚硬。
where will we draw the outer boundaries of this Europe?.
我们要把欧洲的边界线划到哪里呢？。
limitless authority; the limitless reaches of outer space.
无限的权力；对处外层空间的无限追踪
fungi whose outer peridium when dry splits into starlike segments.
真菌的包被当干裂时分裂成像星星一样的部分。
探索常用高频词汇