material time

• n. 实际时间

material time的用法和样例：

例句

用作名词 (n.)

1. Keep track of the time you actually travel.
   把你旅行的实际时间记录下来。
2. Light is the most potent cue for keeping the biological clock in synch with solar time.
   光是维持生物钟与外界环境实际时间同步的最主要的信号。