1
at perigee
The Moon is at perigee tonight, appearing larger than usual.
今晚月球位于近地点，看起来比平时更大。
卫星轨道上离地球最近的点
perigees — plural of perigee
先理解核心含义，再看它在真实句子里的用法。
卫星轨道上离地球最近的点
the point in its orbit where a satellite is nearest to the Earth
The Moon is at perigee tonight, appearing larger than usual.
今晚月球位于近地点，看起来比平时更大。
用于描述卫星轨道的术语
近地点
The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.
近地点；卫星轨道上离地球最近的点
periapsis in Earth orbit; the point in its orbit where a satellite is nearest to the Earth
轨道近点
The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite.
轨道最近点
The point, in any trajectory of an object in space, where it is closest to the Earth.
The satellite moves fastest when it reaches perigee.
卫星到达近地点时运动最快。
Engineers calculated the perigee of the new spacecraft.
工程师们计算了新航天器的近地点。
The difference between apogee and perigee affects orbital stability.
远地点和近地点的差异影响轨道稳定性。
The Moon is at perigee tonight, appearing larger than usual.
今晚月球位于近地点，看起来比平时更大。
The perigee of the satellite's orbit is approximately 200 kilometers above Earth.
该卫星轨道的近地点距地球约200公里。
The spacecraft will be near perigee at 14:00 UTC.
该航天器将于世界协调时14:00接近近地点。
The communications satellite reaches perigee every 90 minutes.
这颗通信卫星每90分钟到达一次近地点。
Not this
The moon is at the perigee tonight.
Use this
The moon is at perigee tonight.
在专业天文学语境中，'perigee' 作为轨道点名称，通常不加冠词。使用 'at perigee' 是标准用法。
Not this
The satellite reached its perigee point.
Use this
The satellite reached its perigee.
'perigee' 本身已指代 '近地点'，添加 'point' 语义重复。去掉 'point' 更简洁自然。
Choose the next layer that will help you use perigees with more confidence.
Recommended next
Missing: Collocations
Complete this area with collocations.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use perigees naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
用于描述卫星轨道的特定点
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.