Ual
abbr. upper acceptance limit 验收上限
🗣️ 情景例句
Hello, Mr. Maxwell.
哈喽， Maxwell先生。
Please send us your price list of quartz clocks.
请寄给我们贵方的石英钟价目单。
What about you? Where do you live?
你呢？你住在哪儿呢？