凹谷 [
āo gǔ]
trench
- 在空间上平均直径随轴向距离的增加先减小后增大呈凹谷型分布。
The mean diameter decreases with the increase of axial distance firstly, and increases at last. It is distributed in valley form. - 一池泥浆在位于埃塞俄比亚远郊达纳基尔凹地(Danakil Depression)的宽干谷(Dallol)火山附近沸腾着。
A pool of mud boils near Dallol Volcano, in Ethiopia's remote Danakil Depression.
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