riverbed 核心詞議：
n. 河床
riverbed 基本解釋
速記方法知識(shí)擴(kuò)展
常考短語(yǔ)
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 ; 網(wǎng)絡(luò)設(shè)備制造商公司
3
the tail water riverbed
尾水河床
中文詞源
中文詞源：
riverbed
精選例句
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.
科學(xué)家們已經(jīng)確定，在埃塞俄比亞阿法爾地區(qū)干燥河床的細(xì)顆粒沉積物中發(fā)現(xiàn)的具有鋒利邊緣的石片存在于252萬(wàn)至260萬(wàn)年前。
2、 This creates deep pools in the riverbed and slows the water down.
這就在河床上形成了深水池，使水流變慢。
常見(jiàn)考點(diǎn)例句：
- 16the Parched allier riverbed near brassac-les-mines , central france .
- 法國(guó)中部布拉薩克萊米訥附近干枯的阿列河床。
- The crocodile was crawling along the riverbed .
- 這條鱷魚(yú)正沿著河床爬行。
- 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，一位工人在河床內(nèi)挖水渠
- As deeper layers of water froze , perhaps additional bubbles became trapped further down in the ice -- closer to the riverbed .
- 當(dāng)深層的河水結(jié)冰時(shí)，也許在在河流下面冰（靠近河床）也會(huì)產(chǎn)生更多的這種泡沫陷阱。
- 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 .
- 本次事故造成約378人的死亡，有些人在狹窄的人行橋上被過(guò)度擠壓致死，有些則是跌落到橋下的淺河床上溺水身亡。