Polycrystalline
a. 多晶的\\n[计] 多晶的
🗣️ 情景例句
You'll make us proud.
我们会为你骄傲的。
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。