Lagging jacket
[机] 隔热包层套
🧩 词语组成解析
n. 迟钝, 落后, 防护套\\na. 迟钝的, 落后的
jacket
['dʒækɪt]
n. 短上衣，夹克;土豆皮;书籍的护封;文件套，公文夹;
vt. 给…穿夹克;给…装护套;给…包上护封;〈口〉打;
🗣️ 情景例句
so I can get some interesting mail?
那样我就可以收到一些有趣的信件了。
He that is master must serve.
主人必须会服务。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。