Block welding
[化] 多段多层焊
🧩 词语组成解析
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
In any case, you should prepare for the worst.
无论如何你要做好最坏的打算。
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
Fifteen policemen had to push very hard to get him off the main street.
15个警察不得不用很大的力气把它推离主要街道。