aulacogen
美 ['?:l?k?d?en]
英 ['?:l?k?d?en] 
- n.拗拉塹;拗拉槽;塹壕;斷陷槽
- 網絡拗拉谷;坳拉槽;坳拉谷
英漢解釋
例句
The tension tectonic environment like rift and micro-aulacogen are favourable for up-welling of underground magma and metallogenic elements.
裂谷及微型裂陷等拉張性構造環境有利于深部巖漿與成礦物質的上升。
Filling and evolution of the Late Paleozoic Shuicheng-Ziyun aulacogen in western Guizhou, China
黔西水城-紫云地區晚古生代裂陷槽盆充填和演化