1
an oasis of [something]
oasis 后接 of + 抽象名词，表示某种品质或景象的集中地。
The garden is an oasis of calm in the city.
这座花园是城市中一片宁静的绿洲。
绿洲
oases — plural of oasis
先理解核心含义，再看它在真实句子里的用法。
绿洲
a fertile area in a desert where the water table is near the surface
The garden is an oasis of calm in the city.
这座花园是城市中一片宁静的绿洲。
A spring of fresh water, surrounded by a fertile region of vegetation, in a desert.
沙漠中肥沃的地带(水位接近地表)
a fertile tract in a desert (where the water table approaches the surface)
A quiet, peaceful place or situation separated from surrounding noise or bustle.
作为安全或避难所的庇护地
a shelter serving as a place of safety or sanctuary
After we had walked through the desert for hours, the tiny oasis appeared as a welcome relief.
我们在沙漠中走了几个小时后，那片小绿洲出现了，令人欣慰。
In the middle of the city, this quiet garden is an oasis where I can escape the noise.
在市中心，这座安静的花园是一处可以让我远离喧嚣的绿洲。
The travelers stopped at the oasis to refill their water bottles and rest in the shade.
旅行者们在绿洲停下来给水壶装满水，并在阴凉处休息。
oasis 后接 of + 抽象名词，表示某种品质或景象的集中地。
The garden is an oasis of calm in the city.
这座花园是城市中一片宁静的绿洲。
in 后接地点，强调在荒凉或喧嚣环境中的宜人之处。
The small cafe was an oasis in the busy street.
这家小咖啡馆是繁忙街道上的一处绿洲。
复数为 oases，用于指多个绿洲。
The oases of the Sahara provide water and shade.
撒哈拉的绿洲提供水和阴凉。
Not this
There are many oasises in the desert.
Use this
There are many oases in the desert.
oasis 的复数不是加 -es 变成 oasises，而是不规则形式 oases。这是来自希腊语的名词，需要单独记忆。
Not this
We found oasis in the desert.
Use this
We found an oasis in the desert.
oasis 是可数名词单数，前面需要冠词；汉语中没有冠词，学习者容易漏掉。这里要用 an 表示“一个绿洲”。
Not this
They saw a oasis in the distance.
Use this
They saw an oasis in the distance.
oasis 以元音音素 /oʊ/ 开头，所以不定冠词要用 an 而不是 a，判断依据是发音而非首字母。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
沙漠中的绿洲
The tired travelers finally reached an oasis in the desert.
疲惫的旅行者们终于到达了沙漠中的绿洲。
宁静的港湾
The library is an oasis of calm in the middle of a noisy campus.
图书馆是喧嚣校园中的一片宁静港湾。
令人惬意的避风港
After the long hike, the cool stream was a welcome oasis.
长途跋涉后，清凉的小溪成了令人惬意的避风港。
城市绿洲
The community garden serves as an urban oasis for the neighborhood.
这个社区花园是街坊邻里的一片城市绿洲。
隐秘的宁静之地
The bookshop is a hidden oasis for book lovers.
这家书店是爱书之人隐秘的宁静之地。
绿意盎然的绿洲
The courtyard is a green oasis in the heart of the old town.
这个庭院是老城中心一片绿意盎然的地方。
平静的绿洲；安宁之处
After the busy city streets, the park was an oasis of calm.
离开繁忙的城市街道，这座公园是一片宁静的绿洲。
宁静的绿洲；祥和之地
The monastery garden is an oasis of tranquillity in the middle of the bustling town.
修道院花园是繁华城镇中心的一片祥和绿洲。
沙漠中的绿洲；困境中的希望
Her small kindness was an oasis in the desert of his loneliness.
她小小的善意是他孤独沙漠中的一片绿洲。
绿洲是一个唯有想象力才是极限的地方。
In the film Ready Player One, the OASIS is a virtual reality world that offers an escape from a decaying real world.
在电影《头号玩家》中，绿洲是一个虚拟现实世界，为人们提供了逃离衰败现实的途径。
发长 /oʊ/ 音 (如 boat, coat)
Use oases naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
oasis 中的 o 像一口水井，沙漠里的绿洲有水有草，是旅人安心舒适的地方。
语域：neutral 常见场景：地理或游记、日常比喻 该词是中性词，通常用于地理或游记中指沙漠中的绿洲，也较常见于比喻义，指令人感到舒适或安心的处所。
复数形式为 oases。
Dictionary facts from ECDICT, WIKTIONARY.