aa
US /ˌeɪˈeɪ/
UK /ˌeɪˈeɪ/
名词
啊啊熔岩, 啊啊
a type of lava that has a rough, jagged, and clinkery surface, often forming a thick, rubbly flow
示例:
•
The volcanic eruption produced vast fields of aa lava.
火山喷发产生了广阔的啊啊熔岩地。
•
Walking across the sharp, broken surface of aa can be challenging.
走过啊啊尖锐破碎的表面可能很具挑战性。