Welded impeller
[化] 焊制叶轮
🧩 词语组成解析
v. 焊接；使结合（weld的过去分词）
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
总的来说，海运比铁路运输更便宜，但速度慢一些。
Take care. The rocks are wet.
当心点。石头很湿。