Ul
abbr. （美）保险商实验所（Underwriters' Laboratories）
🗣️ 情景例句
He's a pretty good bloke and he seems very friendly.
他是一个很不错的家伙，看起来也很友善。
That's fine. What time do I have to be at the airport?
好的。我应该几时到达机场？
I could say nothing but that I was sorry.
我除了说“对不起”之外，什么也说不出来。