river
/ˈrɪvə(r)/noun
1- a large natural stream of water flowing in a channel to the sea, a lake, or another such stream河, 江, 川; 水道。
1.1
- a large quantity of a flowing substance巨流; 大量：
great rivers of molten lava
熔岩巨流
figurative 〈喻〉the trickle of disclosures has grown into a river of revelations.
点点滴滴地透露的情况已经汇成了一股大曝光的巨流。
1.2
- used in names of animals and plants living in or associated with rivers, e.g. river dolphin, river birch用于生长在河里或与河流相关的动物和植物的名称中, 如river dolphin, river birch河。
短语
sell someone down the river
- informal betray someone, especially so as to benefit oneself〈非正式〉（尤指为使自己得益而）出卖某人; 背叛某人; 欺骗某人。
- ORIGIN: earlier referring to the sale of a troublesome slave to the owner of a sugar-cane plantation on the lower Mississippi, where conditions were relatively harsher.
up the river
- informal, chiefly N. Amer. to or in prison〈非正式, 主北美〉进监狱, 坐牢。
- ORIGIN: with allusion to Sing Sing prison, situated up the Hudson River from the city of New York.
派生词
rivered
adjectiveriverless
adjective词源
Middle English: from Anglo-Norman French, based on Latin riparius, from ripa 'bank of a river.'