Selected walls
[计] 选定背景墙
🧩 词语组成解析
selected
[si'lektid]
adj. 经由选择的，挑选的;
v. 选择，挑选( select的过去式和过去分词 );
n. 墙壁；墙体（wall的复数）
🗣️ 情景例句
You did a great job.
做得好。
I did composition last month.
我上个月做作文。
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
在这个地带的低处是很长的一段尾沙地段，基本上可以断定这个地段是大陆块体上侵蚀下来的物质被水冲到深水处形成的。