froth

v 1 [Tn, Tn.p] ~ sth (up) cause (a liquid) to foam 使（液体）起泡: froth (up) a milk shake 将含奶的饮料打起泡沫来. 2 [I, Ipr] have or produce froth 有泡沫、 起泡沫; 发泡; 冒泡: The water frothed as it tumbled down the rocks. 水冲击在岩石上溅起了泡沫. * Animals with rabies often froth at the mouth. 患狂犬病的动物常常口吐白沫. * (fig 比喻) He was so angry he was almost frothing at the mouth. 他气得差点儿口吐白沫.

from time to time, from...to, frond, front, front man, front runner, front-page, frontage, frontal, frontier, frontiersman, frontispiece, frost, frost-bite, frost-bitten, frostbound, frostily, frostiness, frosting, frosty, frothily, frothiness, frothy, frown, frowsty, frowsy, frowzy, froze, frozen, FRS, fructification, fructify, fructose, frugal, frugality, frugally, fruit, fruit machine, fruit salad, fruit-cake,