Underdeveloping
v. （使）发展不完全, （使）显影不足( underdevelop的现在分词 )
🗣️ 情景例句
I've got the council to agree
我已说服议会同意
Soon up, soon down.
升得高，落得快。
Where did you learn to speak English?
你从哪里学会说英语的呢？