单词oceanic trench
un.: 大洋沟;海沟网络: 深海槽
海沟
大洋沟
Coldest capital: Reykjavik fog all: Capital London music: The Vienna earth"s crust is thinnest: Pacific Ocean oceanic trench
最冷的首都:雷克雅未克雾都:伦敦音乐之都:维也纳地壳最薄:太平洋海沟