Underdeveloping
v. （使）发展不完全, （使）显影不足( underdevelop的现在分词 )
🗣️ 情景例句
Thank you for inviting me.
谢谢你的感情邀请。
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。