Welding helmet
[化] 焊工帽罩
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
helmet
['hɛlmɪt]
n. 头盔;钢盔;盔形物，盔状物;[植]盔状花冠;
vt. 给…戴上头盔;
🗣️ 情景例句
Next weekend ...
下周末……
To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分，我要说的就是我们的研究非常广泛。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？