riverbed是什么意思?后缀“ bed是什么意思?什么情况下可以使用?

母语人士的回答
Rebecca
riverbed是指河底。 Bed是用来指河流、大海或湖泊底部的词,您会看到它被用作lakebed, seabed, riverbed 。示例: The seabed is many hundreds of meters deep here. (海底有数百米深。) 例: The riverbed was covered with rocks and stones. (河床被石头和鹅卵石覆盖。)