Uld
abbr. 超聲探漏器（Ultrasonic Leak Detector）；超低劑量（ultra-low-dose）
??? 情景例句
It's time you and I had a romantic weekend alone together.
是我們倆單獨在一起過一個浪漫周末的時候了。
I don't like the conclusion of the play.
我不喜歡這出戲的結局。
It will be found that the weight moves but slightly or not at all.
結果會發現，重物是動了，但動得很小，甚至沒動。