Underdeveloping
v. （使）发展不完全, （使）显影不足( underdevelop的现在分词 )
🗣️ 情景例句
Tonight, it's my treat.
今天晚上， 我来请客。
This windows is junst as small as that one.
这扇窗户刚好和那扇一样小。
We need them urgently.
我们急需这些资料。