the students are playing table tennis on the table.the students are playing cards around the table这两句中on 和around 有何区别?那如果问what are they doing __________ the table?到底用around还是用 on呢?

Question

the students are playing table tennis on the table.the students are playing cards around the table
这两句中on 和around 有何区别?
那如果问what are they doing __________ the table?
到底用around还是用 on呢?

Answer 1

都表示在“桌子上”
不过,台球强调在桌子上面,而扑克牌强调围着桌子,所以用了不同的介词.
如果是提问,用on即可.