Helical weld
[化] 螺旋形焊缝
🧩 词语组成解析
a. 螺旋状的\\n[电] 螺线
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
This telephone line is interrupted.
这个电话不通。
I was very tired when I arrived home. I'd been working hard all day.
我到家时非常累。我一整天都在玩命地干！