Critical piece
[化] 关键性部件
🧩 词语组成解析
piece
[pi:s]
n. 块，片，段;部分，部件;文章，音乐作品;
vt. 修补;连接，接上;
🗣️ 情景例句
I can't face him after what I've done.
从那以后我无颜面对他。
All is fish that comes to his net.
到了网中都是鱼；只要到手全都要。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。