Xrf
abbr. X-ray fluorescence X射线荧光
🗣️ 情景例句
Claims, if any, must be made within 30 days after the arrival of the goods.
索赔必须在货物抵达目的地后30天内提出。
Maybe they're farmers.
他们可能是农民。
'I was just wondering how to spend the morning -- until I saw you.
“我正不知道怎么消磨这一上午呢，正好见到好。