Welding machine
[化] 焊机
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
Why are you squealing, my friend?
朋友，你为什么要发出尖叫？
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。