eugeosynclines

eugeosynclines

美 　英

• n.活动正地槽；优地槽；主地槽
• 网络优等地槽；活动地槽

词形变化

复数：eugeosynclines  

英汉解释

n.	1. 活动正地槽 2. 优地槽 3. 主地槽

英英解释

n.	1. a long broad depression in the Earth's crust containing a thick accumulation of sedimentary deposits and subject to intermittent volcanic activity.