On thespot就是立刻，当场的意思。 所以你刚才的意思就是教授在考试的时候当场给题目，你就得立即上台讲两分钟。

LL: Oh, to do something "on the spot" is to do it immediately - right then and there.

youdao

On thespot就是立刻，当场的意思。 所以你刚才的意思就是教授在考试的时候当场给题目，你就得立即上台讲两分钟。

LL: Oh, to do something "on the spot" is to do it immediately - right then and there.

youdao