核心词议：
n. 河床
riverbed 基本解释
n. 河床；河槽
速记方法
知识扩展
常考短语 1
raised riverbed
抬高的河床
2
Riverbed Technology
科技公司 ; 河床科技 ; 河床科技公司 ; 网络设备制造商公司
3
the tail water riverbed
尾水河床
中文词源
中文词源： riverbed
精选例句
1、 Scientists have dated sharp-edged flakes of stone found in the fine-grained sediments of a dry riverbed in the Afar region of Ethiopia to between 2.52 and 2.60 million years ago.
科学家们已经确定，在埃塞俄比亚阿法尔地区干燥河床的细颗粒沉积物中发现的具有锋利边缘的石片存在于252万至260万年前。
2、 This creates deep pools in the riverbed and slows the water down.
这就在河床上形成了深水池，使水流变慢。
常见考点例句：
- 16the Parched allier riverbed near brassac-les-mines , central france .
- 法国中部布拉萨克莱米讷附近干枯的阿列河床。
- The crocodile was crawling along the riverbed .
- 这条鳄鱼正沿着河床爬行。
- Anhui province , xuancheng city : a worker digs a canal within a riverbed on 5 may
- 安徽省宣城市：5月5日，一位工人在河床内挖水渠
- As deeper layers of water froze , perhaps additional bubbles became trapped further down in the ice -- closer to the riverbed .
- 当深层的河水结冰时，也许在在河流下面冰（靠近河床）也会产生更多的这种泡沫陷阱。
- At least 378 people were killed , either crushed to death on a narrow footbridge or drowned in the shallow riverbed below as they fell from it .
- 本次事故造成约378人的死亡，有些人在狭窄的人行桥上被过度挤压致死，有些则是跌落到桥下的浅河床上溺水身亡。
