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
Oh! My, how he's grown!
噢， 天啊， 他长这么大了！
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
After this he immediately lets himself in and begins barking again.
出去之后，它又马上把自己放进来，接着再开始叫。