Heliweld
赫利焊接(氦氣保護焊接)
??? 情景例句
You're a wonderful granddaughter.
真是個好孫女。
I really appreciate your help.
我非常感謝你的幫助。
I had expected to be near my objective by now, but everything still seemed alien to me.
我本想離目的地已經(jīng)不遠，但周圍一切對我仍很陌生。