Unimproved
a. 未经改善的, 没有改良的, 未耕过的, 未被利用的
🔴 反义词
🗣️ 情景例句
Who do you think you are kidding.
你想要蒙谁呢？
Being happy in my work is most important to me.
工作中开心最重要。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。