aa
US /ˌeɪˈeɪ/
UK /ˌeɪˈeɪ/
名詞
啊啊熔岩, 啊啊
a type of lava that has a rough, jagged, and clinkery surface, often forming a thick, rubbly flow
範例:
•
The volcanic eruption produced vast fields of aa lava.
火山噴發產生了廣闊的啊啊熔岩地。
•
Walking across the sharp, broken surface of aa can be challenging.
走過啊啊尖銳破碎的表面可能很具挑戰性。