Nonessential
a. 非本质的\\nn. 不重要的人
✅ 同义词
🔴 反义词
🗣️ 情景例句
why you have so many problems with math.
为什么你在数学方面有那么多问题。
He was lucky to have a good home in which to grow up.
他幸运地生长在良好的家庭里。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。