Hello program
[计] 试用程序
🧩 词语组成解析
hello
[hɛˈlo, hə-]
int. 哈喽，喂;你好，您好;表示问候;打招呼;
n. “喂”的招呼声或问候声;
vi. 喊“喂”;
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
It is up to you to carry out the plan.
由你实行那个计划。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。