Sealing welding
[化] 封底焊
🧩 词语组成解析
[化] 封闭; 封闭处理\\n[医] 封闭, 封口(创伤)
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Good night, Robbie.
晚安，Robbie。
Fools rush in where angels fear to tread.
智者裹足不前，愚者铤而走险。
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。