riverbed
n. 河床
近义词：riverbottom，
英英释义
Noun
- a channel occupied (or formerly occupied) by a river
例句
用作名词(n.)
- There are many pebbles on the riverbed.河床上有很多卵石。
- The crocodile was crawling along the riverbed.这条鳄鱼正沿着河床爬行。