Word · Frequency #9087
aa
一种干燥的、类似熔渣的熔岩形态
核心释义
a dry form of lava resembling clinkers
- 1.
匿名戒酒会的成员
A member of Alcoholics Anonymous.
- 2.
一种与夏威夷型火山相关的熔岩流,由玄武岩构成,通常深色,表面参差不齐、松散、多渣块。比较 pahoehoe。
A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe.
- 3.
AA电池(储能装置)
An AA battery (energy-storage device).
匿名戒酒会的成员；一种与夏威夷型火山相关的熔岩流,由玄武岩构成,通常深色,表面参差不齐、松散、多渣块。比较 pahoehoe。；AA电池(储能装置)；绝对地址；农业自动化
用法In use
The hiker carefully walked across the sharp aa field, avoiding the jagged rocks.
用法提示：例中 "aa" 作为名词，指一种表面粗糙、多尖角的熔岩类型。
Geologists distinguish between pahoehoe and aa based on the texture of the lava flow.
用法提示：例中 "aa" 是地质学专有名词，表示表面碎块状的熔岩。
After the volcano erupted, the landscape was covered with vast expanses of black aa.
用法提示：例中 "aa" 描述火山喷发后形成的多孔、块状熔岩地表。
aa lava
aa作为名词时可直接修饰lava。
The volcano erupted aa lava.
火山喷发了渣状熔岩。
flow of aa
相关词与表达Connections
搭配Collocations
- aa lava
- 块熔岩
- The aa lava flow advanced slowly.块熔岩流缓慢推进。
- aa flow
- 块熔岩流
- The aa flow destroyed everything in its path.块熔岩流摧毁了沿途的一切。
- aa surface
- 块熔岩表面
- The aa surface is rough and jagged.块熔岩表面粗糙且参差不齐。
- aa clinkers
- 块熔岩渣
- The ground was covered with aa clinkers.地面上覆盖着块熔岩渣。
近义词Synonyms
学习提示Learner notes
记忆技巧Memory Tip
发音像'嗷'，联想火山熔岩冷却后像煤渣。
语境与语域Context & Register
语域：formal 常见场景：geology、volcanic rocks 该词义为地质学术语，指一种干燥的熔渣状熔岩，多用于专业地质文献或火山学描述。
语法说明Grammar Note
Refers to a type of lava; no plural form.
发音与拼写Pronunciation & Spelling
Words with the same vowel sound: baa, saw, law, raw. Spelling lookalikes (single 'a') with different pronunciation: ma, pa.
一起学习词形Learn the forms together
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.