Ul
abbr. （美）保险商实验所（Underwriters' Laboratories）
🗣️ 情景例句
We communicate with each other by letter.
我们用书信彼此联系。
Do they have children?
他们有孩子吗？
Yes, we'll have it out just as soon as we can.
是的，我们会尽快出货。