关于promissing的定义以及资料

promise
n 1 [C] ~ (of sth) written or spoken declaration that one will give or do or not do sth 承诺; 许诺; 诺言; 保证书

promise 用法：promise to do; make/keep/break a promise,promissing

Note: 作动词时可以表示显示出，如：The clouds promise rain.