distance is equal to time speed,time speed中间应该加个什么词

问题描述:

distance is equal to time speed,time speed中间应该加个什么词
distance is equal to time speed,time speed中间应该加个什么词

可以是:distance is equal to time times speed.
或:distance is equal to time multiplied by speed
或:distance is equal to time multiplying speed.