| 释义 |
noun ˈɑːɑːˈäˌä mass nounGeology Basaltic lava forming very rough, jagged masses with a light frothy texture. 〔地质〕块状熔岩。通常与 PAHOEHOE 相对 Often contrasted with pahoehoe Example sentencesExamples - A serpentine flow meanders through formations of smooth pahoehoe lava and rough aa lava, the same forms common in basalt lavas.
- Very different from jagged aa, pahoehoe is the other general texture of newly solidified lava.
- Roads of black ash traverse it, winding through the otherwise untraversable aa.
OriginMid 19th century: from Hawaiian 'a-'a. abbreviationeɪˈeɪˌeɪˈeɪ 3(in the UK and South Africa) Automobile Association.
nounˈäˌä Geology Basaltic lava forming very rough, jagged masses with a light frothy texture. 〔地质〕块状熔岩。通常与 PAHOEHOE 相对 Often contrasted with pahoehoe Example sentencesExamples - Roads of black ash traverse it, winding through the otherwise untraversable aa.
- Very different from jagged aa, pahoehoe is the other general texture of newly solidified lava.
- A serpentine flow meanders through formations of smooth pahoehoe lava and rough aa lava, the same forms common in basalt lavas.
OriginMid 19th century: from Hawaiian 'a-'a. abbreviationˌeɪˈeɪˌāˈā 3Administrative assistant.
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