Weld pass
[化] 焊接通道
🧩 词语组成解析
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
🗣️ 情景例句
You're a ... wonderful friend.
你是个……极好的朋友。
For a few, scholarships were sources of support.
有少数人，奖学金是他们接受教育的学费来源。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美国自1830年起，加拿大从1870年左右起，殖民者开始向西迁移，并把平原据为己有。