Underdevelops
v. （使）发展不完全, （使）显影不足（underdevelop的第三人称单数形式）
🗣️ 情景例句
It's no big deal.
没什么大不了的。
A thing is bigger for being shared.
插手人一多，事态就扩大。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。