英语语法分析

Volcanic mudflows (lahars) poured down rivers and gullies around the intact flanks.

火山泥石流倾泻到残留山体周围的河流和溪谷之中。

The western slopes are streaked with innumerable gray-brown gullies, the paths of lava and mudflows (lahars).

西侧的山麓布满了无数灰褐色的冲刷沟，那时岩浆和泥石流所经之处留下的痕迹(lahars，爪洼语里火山泥流之意)。

The streaks range from 0.5 yards to 5 yards wide and stretch hundreds of feet, far smaller than previously detected gullies.

这些条纹有0.5码到5码宽，数百英尺长，比之前观测到的冲击峡谷要小得多。