a large natural stream of water flowing in a channel to the sea, a lake, or another such stream 河,江,川;水道 ■a large quantity of a flowing substance 巨流;大量 great rivers of molten lava. 熔岩巨流。 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。 ■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
常用词组 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
up the river
(informal, chiefly N. Amer.)to or in prison (非正式,主北美)进监狱,坐牢
派生 rivered adjective riverless adjective 语源
Middle English: from Anglo-Norman French, based on Latin riparius, from ripa 'bank of a river'