Angular sand
[机] 多角形砂
🧩 词语组成解析
angular
['æŋgjulə]
adj. 有角的;用角测量的，用弧度测量的;生硬的，笨拙的;（人）瘦削的;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
I stayed and did some extra work.
我留下加了一会儿班。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。