A piece of
辅助 Assistant一块..., 一片...
🧩 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;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
What will the weather be like tomorrow?
明天将是什么样的天气呀？
Though the doctors did his best, the patient's recovery was slow.
尽管医生竭力医治，但病人恢复缓慢。