Helicoidal area
[机] 螺旋面积
🧩 词语组成解析
n. 螺旋面
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
Andy, oh my God. I can't believe it. What are you doing here? I thought you're in Singapore.
安迪，我的天，竟然在这里遇见你。你在这里干什么？我以为你在新加坡。
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
Here is my card.
这是我的名片。