Hallmarking
v. 给（金、银）打上纯度印记( hallmark的现在分词 )
🗣️ 情景例句
No.
不痛。
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
Beware of methylated alcohol, which is very poisonous,
要提防甲基化酒精，那是剧毒的，