Ul
abbr. （美）保险商实验所（Underwriters' Laboratories）
🗣️ 情景例句
I'll be seeing you!
再见。
I can't help but be astonished by that acrobat.
我不能不为那杂技演员的表演而深为惊讶。
The cloud will lift quite quickly.
云很快就会消散的。