screes的读音 screes中文意思

读音 
n. (常用复数)小石子,岩屑堆( scree的名词复数 )
screes 用法和例句
There are many v-shaped ravines containing small pools or screes of extremely varied and pretty stones .
有很多v型山谷,其间有些小水池和石堆,满是各式各样且特别漂亮的石头。
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