Major depression
重性抑郁[症]
🧩 词语组成解析
major
['medʒɚ]
adj. 主要的;重要的;大调的;主修的（课程）;
n. 主修科目;大调;陆军少校;成年的;
vi. <美>主修，专攻;[美国英语][教育学]主修(in);专攻;
maj大+or...的 → 较大的；主要的
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音？
Let me do some research on this and get back with you tomorrow.
请让我查查看，明天再给你答复。
We should learn the value of money and learn how many hours' work has to be done before we can buy something.
我们应该认识到钱的价值，知道要干多少小时的活，我们才能买某件物品。