(noun.) a mass of small bubbles formed in or on a liquid; 'the beer had a thick head of foam'.
(noun.) a lightweight material in cellular form; made by introducing gas bubbles during manufacture.
(verb.) become bubbly or frothy or foaming; 'The boiling soup was frothing'; 'The river was foaming'; 'Sparkling water'.
编辑:沃伦
哈洛录入