Nonessential
a. 非本质的\\nn. 不重要的人
✅ 同义词
🔴 反义词
🗣️ 情景例句
a portrait of the United States--
一幅美国的剪影--
His finger is wounded, Does it hurt?
他的手指受伤了，疼不疼？
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？