Welded truss
[化] 焊接桁架
🧩 词语组成解析
v. 焊接；使结合（weld的过去分词）
truss
[[trʌs]]
vt. 捆绑\\nn. 捆, 束
🗣️ 情景例句
No, she doesn't know Harry Bennett and his daughter Michelle.
不，她不认识Harry Bennett和他女儿Michelle。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，