Heliweld
赫利焊接(氦气保护焊接)
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
很抱歉，恐怕我今晚没空。
A near friend is better than a far-dwelling kinsman.
远亲不如近邻。
Tom burnt his hand when he was cooking.
汤姆做饭时烫了手。