Calcsparite
亮方解石
🗣️ 情景例句
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
How much do you charge for sending a cable transfer to London?
发一张到伦敦的电汇，要收费多少？
Do you often have sports at school?
你在学校经常参加体育活动吗？