Underdevelop
v. (使)发展不完全, (使)显影不足
🗣️ 情景例句
Nothing will stay down when I eat.
我吃下去的东西全吐出来了。
What sort of guarantee do you offer on your product?
你们提供什么样的产品保证呢？
What time did you have it?
你们什么时候开的会？