Developing countries
辅助 Assistant[经] 发展中国家
🧩 词语组成解析
developing
[di'veləpiŋ]
adj. 发展中的;显色;开发;显像;
国家（country的复数）
🗣️ 情景例句
So tell me about your educational history.
请告诉我你的教育经历。
Old oxen have stiff horns.
牛老角硬。
As they had brought a spear gun with them, they had plenty to eat.
由于他们随身带了一支捕鱼枪，因此，吃饭不愁。