rivulet
noun /ˈrɪvjələt/
/ˈrɪvjələt/
(formal)- a very small river; a small stream of water or other liquid
小河；小溪；溪流；细流 - Rivulets of sweat ran down her back.
汗水顺着她的后背流下。 - Rain ran in tiny rivulets down the window.
雨水顺着窗户流成小溪流。
词源late 16th cent.: alteration of obsolete riveret (from French, literally ‘small river’), perhaps suggested by Italian rivoletto, diminutive of rivolo, based on Latin rivus ‘stream’. - Rivulets of sweat ran down her back.