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
saying he was going to the railroad station
说他要去火车站
I ask him to tell me everything he heard.
我要求他告诉我，他所听到的每件事情。
Here you are. Put them on, please. You must look after your clothes.
给你们，穿上吧！你们要好好保管你们的衣服。