adj.最外边的，最远的

The outermost layer of the onion is usually the thinnest and most delicate.
洋葱最外层通常是最薄且最易碎的。
In the solar system, Pluto is considered the outermost known planet before the Kuiper Belt.
在太阳系中，冥王星被认为是已知最外围的行星，直到柯伊伯带。
The outermost regions of space are still largely unexplored by humans.
太空的最外层区域仍主要未被人类探索。
The spacecraft's instruments were designed to withstand the harsh conditions of the outermost atmosphere.
航天器的仪器被设计成能承受外层大气的恶劣条件。
The research focuses on the outermost cells in the human skin, which act as a barrier against pathogens.
研究集中在人体皮肤最外层的细胞，它们构成了对抗病原体的屏障。
The explorer trekked through dense forests until he reached the outermost edge of the jungle.
探险家穿越茂密的森林，直到抵达丛林的最边缘。
The satellite's antenna had to be protected from the extreme cold of the outermost reaches of space.
卫星的天线必须在太空的极端低温条件下得到保护。
The architect planned a series of concentric courtyards, with the outermost one open to the sky.
建筑师设计了一系列同心院落，最外层的一个可以直通天空。
The archaeologist discovered an ancient settlement buried deep beneath the outermost layers of soil.
考古学家在土壤最外层之下发现了远古的聚居地。
The scientist believes that understanding the outermost processes in the universe could lead to groundbreaking discoveries.
这位科学家认为，理解宇宙的最外层过程可能会带来突破性的发现。