Visual aids
其它 Other直观教具
🧩 词语组成解析
AIDS
[eidz]
abbr. acquired immune deficiency syndrome 获得性免疫缺乏综合征（爱滋病）;acute infectious diseases 急性传染病;aircraft integrated data system 飞行器集成数据系统;
n. 助手( aid的名词复数 );外援;辅助设备vi.;帮助;
🗣️ 情景例句
Mary is not available at the moment.
Mary现在没空接电话
How deep?
多深？
Our manufacturing costs have gone up too much.
我们的制造成本增加太多了。