Alphanum
[计] 字母数字
🗣️ 情景例句
Mr. Lu, we are very pleased to be able to offer this product to you.
陆先生，我们很高兴能提供这个产品给您。
You don't have to pay any duty on personal belongings.
你不必在个人财产上付任何税。
but of accumulated knowledge applied to practical life.
而是积累起来的知识应用到实际生活中的结果。