Upper header
[化] 上集管; 上联箱
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
header
['hedə]
n. 头球;割穗机;（计算机打印时自动加在各页顶端的）标头;集管;
🗣️ 情景例句
I have received the secretarial training for six months.
我曾接受过6个月的秘书训练。
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
I don't think this is a standard size.
我看这不是标准尺寸吧？