Ul
abbr. （美）保险商实验所（Underwriters' Laboratories）
🗣️ 情景例句
She's right.
她说得对。
You're always mixing me up with my twin sister!
你老是把我和我的孪生姐姐搞混!
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，