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
Having some dinner?
吃点晚餐？
Just to be on the safe side.
为了安全起见。
Eventually the turtle has been butted all the way down to the floor of the tank.
这只海龟最终被撞到池底。